Alteryx Designer Knowledge Base

Definitive answers from Designer experts.
Andy Uttley, Alteryx ACE, makes music with Alteryx | Math + Music
Here at Alteryx we believe in working smart, not hard. Building out reports to highlight business-critical metrics is a pretty smart way to track goals. Customizing those reports to everyone in the department, then distributing them as attachments to individual emails? That sounds like a lot of hard work. Scheduling those reports from a refreshing data source each month so you don’t have to remake or rerun the reports yourself - that’s genius. Logging into your work computer to open up Alteryx, then having to check the scheduled results before having any peace of mind those reports were delivered without a hitch? Hard.
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The improvements in our salesforce connectors have been astronomical over the last year and now it is easier than ever to navigate the UI configuration screen and connect to your Salesforce Data!
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Some time ago, there was a nice writeup: The Ultimate Alteryx Holiday gift of 2015: Read ALL Excel Macro: Part 2. This amazing macro allowed me to read any excel file, regardless of the number of tabs.   Until I start working with users that use diacritics on the sheet names.     For example:   If we try to use the mentioned macro, you will receive an error like this: ‘not a valid name’ I decided to approach this as a macro (2 levels) and use the Directory functionality to read all possible xls files within a folder.   Level 1: Read xls Tabs   This macro will read all the tabs for a single xls file. I used an R tool that includes the library readxl.   This library allows us to read xls files. I used the excel_sheets function to extract the sheet name and compile the sheet name with the name file path. You will receive a column per tab that the xls file has. I cleaned these two values and passed them as Path and Tab.     This data is sent to the Read xls file macro.     Level 2: Read xls Files   This macro gives structure to the full path (Path + Tab) using the structure needed in xls files. It uses the Dynamic Input tool to dynamically choose the data and output its content.       Note: Update the XXXX for your corresponding paths Don’t forget to install the R library readxl under your %Program Files% path g. C:\Program Files\Alteryx\R-3.5.3\library
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"Unable to find connection 'x' " when workflow is scheduled   When running a workflow via the Scheduler (for Designer with Automation), the following error is observed:   Unable to find connection "x"   Environment   Alteryx Designer Designer with Automation Windows Operating System In-Database Connection   Diagnosis   1. Confirm that you are using Designer with Automation and not Alteryx Server. You can confirm this by opening the Alteryx System Settings from Designer under Options > Advanced Options > System Settings. On the Setup Type page you will see Designer and Scheduler Only selected.   2. Confirm the In-Database connection is setup as a User connection. You can check this from Designer by navigating to Options > Advanced Options > Manage In-DB Connections and choosing the Data Source and Connection name you are using. It will show next to the name of the Connection:     Alternatively, you can check in the drop-down for the Connection Name Connect In-DB tool or the Data Stream In tool:       Cause   The In-Database connection in use is a User connection; scheduling requires a System connection or a File connection.     Solution A - System Connection   Follow the steps in this article to set up a System connection: How To: Create an In-Database Connection This will require admin permissions. Please see the following article for more information: Unable to create System Connection/System Connection type missing   Solution B-  File Connection   Follow the steps in this article to set up a File connection: How To: Create an Alteryx In-DB Connection File The .indbc file will need to be available to the Run As User or the user running the Alteryx Service. To avoid any issues, you can package the workflow, then schedule as follows: Package the workflow by going to Options > Export Workflow, making sure you check the box to include the .indbc file Go to Options > View Schedules On the Workflows tab, click the + icon Navigate to the .yxzp file you created above and set the schedule frequency     Additional Resources   Database Connections: Creating an alias and the advantages of using an alias Database Issues – Working with Alteryx Customer Support Engineers (CSEs)
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  Occasionally you may see one of these errors from the Join Multiple tool.  It is a result of Cartesian joins.   A Cartesian join is when you join every row of one table to every row of another table. You can also get one by joining every row of a table to every row of itself. A Cartesian join is very CPU intensive.   For example, if you have four files and each file has the same ID in it twice, that means it will join 2*2*2*2 times on the ID (the field on which you're joining is the key referenced in the error; in this example, it's Field1, and the duplicated value is 12345).  The same can be caused by multiple nulls in each file. After your data prep and investigation, and when you know your data are correct, your choices on how to handle Cartesian joins include:   Allow multidimensional joins: The multidimensional join will occur with no error or warning reported. Warn on multidimensional joins of more than 16 records: A warning will be reported in the Results window that a multidimensional join has occurred. Error on multidimensional joins of more than 16 records: An error will be reported in the Results window that a multidimensional join has occurred and downstream processing will stop.     Happy Alteryx-ing!
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Having trouble reading or writing Microsoft Access files? No worries - Client Services is here to help!
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The Email Tool is a tremendously useful shortcut when it comes time to disseminate your analyses and other results straight from your workflow. However, in order to do so, it must communicate using Simple Mail Transfer Protocol (SMTP), which is often restricted by IT infrastructure and firewalls to protect organizations from spam. As a result, many users excited to try the tool get the direct, yet demoralizing, error below (among others): “SMTP Failed.”     That’s why we’ve detailed in this article the steps you can take to investigate what, exactly, is giving you trouble: Manually-entered SMTP server   First make sure a colon and port number are appended to the server name: Does this SMTP server use SSL/TLS or require username/password authentication? Unless the SMTP server uses windows authentication you won’t be able to use the Email Tool, as SSL and TLS are not yet supported through the tool. You can, however, look into other approaches to sending emails in the Designer that can accommodate those requirements.   If not, do you have the required ports open in your network firewall? You can check with your IT team for port numbers and statuses, but the default ports you can check yourself are usually 25, 445, 465, 587, and 993: You can check to see if a server and port are open using the Telnet utility; if you have Telnet installed, open the command prompt and simply type telnet.     If you do not see the second prompt above then you’ll have to install a Telnet/SSH third party client like PuTTY.   From either the Telnet prompt or client, you can open a connection to the server and port to test: In Telnet, connect to the server and port using the command below.     In PuTTY, opening the port will look like the following.     Either approach will then send you to the following prompt.     Then use these commands ( <CRLF> is the enter key ) to send a test email that, if received, will indicate that your port is open. HELO <CRLF> mail from:<mail from address> <CRLF> rcpt to:<mail to address> <CRLF> data< CRLF> subject:<email subject here><CRLF> <CRLF> <type the body of the message here> <CRLF> . <CRLF> To send the email, you must end the body by hitting the enter key (<CRLF>), then period, then enter again (please note that after specifying your subject you must also press the enter key twice – not doing may neglect the message body argument). The test should look something like the below:   If the email sends and the mail to address confirms receipt, then your port is open. Otherwise, you should receive an error that should help your IT team diagnose why the traffic is being blocked. Use the steps above to determine likely causes for the error and you’ll be able to take steps to get the Email Tool unrestricted in your network. Once that happens, bid adieu to whatever repetitious emails you might have to send in the future!  
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‘Alteryx has stopped working’ - APPCRASH   Scenario: You are running a workflow and all of a sudden Alteryx becomes unresponsive and a windows prompt opens and says ‘Alteryx has stopped working’ with options to close the program. Once you click on problem signature properties it references 'Problem Event Name: APPCRASH'. This error can be due to several factors however there a few troubleshooting steps which have resolved this error for several of our clients in the past.   Are you on the latest version of Alteryx? If possible being on the latest version of Alteryx can help ensure any known bug fixes have been resolved and the software is up to date. To find the latest version of the Designer please click on this link Downloads   Limit the number of Browse tools Every time you add a Browse Tool to the canvas it caches the data locally, therefore if you have a large workflow this can sometimes cause memory issues on your machine (dependent upon your machine environment). This can be adjusted by changing the default sort/join memory, however taking advantage of the Browse Everywhere is highly recommended! Before removing all browses you can also 'Disable All Browse Tools' in the runtime configuration settings to test this theory.        Have you tried the block until done tool? When Alteryx becomes unresponsive it can be due to constraints on the processing power of the machine. More often than not you may receive an error relating to an ‘inbound pipe error’ (also memory related). The Block Until Done Tool (found in the developer category) allows all the pre-processing to occur before passing data downstream (e.g. writing out through an output tool). This often makes it an easier process when writing out to a database.   Adjust your sort/join memory The sort/join memory is one of the most underestimated elements of the designer. Because Alteryx is designed to use all the resources it possibly can, it tries to balance and use as much CPU, memory and disk I/O as possible. There are great tips on how to achieve the right balance here: http://community.alteryx.com/t5/Alteryx-Knowledge-Base/What-is-the-Sort-Join-Memory-Setting/ta-p/1302 Again, as always if this error persists after trying these troubleshooting steps, please do not hesitate to reach out at support@alteryx.com  
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  You may be trying to install the Alteryx Designer or Server and receive an error saying: There was an error downloading "AlteryxInstallx64_VersionX.exe...."      This is due to a proxy blocking the data manager from installing the software.    DO NOT FEAR THE ANSWER IS HERE!   All you need to do is to install the Individual Installs of the Designer/Server/Predictive tools to circumvent the data manager GUI and you will be able to download the designer as normal.    Navigate to licenses.alteryx.com Log on to the downloads portal Download the relevant installer .exe files.     *****Please remember to download the correct bit and admin/non-admin version for your machine!    Once the download has finished it will prompt you to finish and open the designer. This is when you can enter your license key and use Alteryx!   If this fails to resolve your issues please do not hesitate to reach out to Support
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A common error we see in Support is: "The temp drive is getting full. Free up some disk space or cancel." Here's how to fix it!
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This error may occur when using the AlteryxGraph device. The reason for this is that the AlteryxGraph device creates a pipe between Alteryx and R. If creating graphs in a loop, a pipe has to be created for each loop which slows down the processing. As a result, Alteryx ends up trying to create the next graph before the previous one is completed. To avoid this, it is best practice when creating multiple graphs within a loop to keep the AlteryxGraph device statement outside of the loop.
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The day will come.  You are on a deadline, you need some data, and it happens: you cannot open your workflow.     What now?  Your file has been corrupted somehow, and you need to restore it asap to meet your deadline.  Don't fret!  Here are two options:   Check your Autosaved files! It's possible you have a nearly complete version saved from the last time you worked on this module:  File > Open Workflow > Open Autosaved Files (there's even a timestamp!)     Your second option is a great example of what the .bak files are for (in case you were ever wondering). First, check to see if your .yxmd was indeed corrupted.  Right click your corrupted .yxmd in a windows explorer, and open with Notepad (or Notepad++ or a similar program).   At the end of every correct Alteryx workflow will be the tag </AlteryxDocument>     If your module is corrupted, it could end with anything – but the error message will tell you exactly where your file was truncated.  If you do not see that tag, here's what to do:  right-click the .bak file associated with your workflow, and simply rename the extension to .yxmd   Now, go meet that deadline!  Save early, save often, and Happy Alteryx-ing!
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Some users have reported a problem when importing and exporting macros within the Alteryx Designer when the Regional Settings for the machine are not set to English (United Kingdom) or English (United States) (see screenshots below). You may also be unable to see personalized Macro folders within the Designer. They encounter the following error: "Input string was not in a correct format.”   The workaround for this is to switch the Regional Settings to the regions named above and you will then be able to import, export macros and see personalized macro folders within the designer categories.   The screenshots below demonstrate what the users will see when they try to import and export workflows with other Regional Settings than English (United Kingdom) or English (United States).               To find Region and Language settings in Windows 7, please navigate to the Control Panel>>>Clock, Language and Region>>Region and Language. For more information on Localization please see this link: http://community.alteryx.com/t5/Analytics-Blog/Alteryx-Commences-Localization-Endeavors/ba-p/11765.        
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Issue    The Alteryx server is unable to run a workflow that runs properly on the user’s local machine where the workflow was created.    [ODBC Driver Manager] Data source name not found and no default driver specified alteryx This error can be encountered when running an app or workflow on a Gallery:   Or when uploading a workflow during validation:   Users will also receive the following error when opening a shared workflow where the Data Source Name does not exist on the user’s local machine:       Environment   Alteryx Designer Alteryx Server  Version ≥  11.0 A workflow that contains a Data Source Name (DSN) on the Input Data tool.   Diagnosis   Confirm that the data source name (DSN) specified in the workflow is pointing to an existing DSN in your machine’s ODBC Data Source Administrator:   ***You must have the driver installed on the machine prior to using this guide. The download links to many of the drivers can be found here. On your local machine, search for ODBC Data Sources (64 bit) The DSN referenced in the input data tool within the workflow must be listed under either User DSN or System DSN tabs.   Cause   The workflow is not able to successfully run because the input data tool cannot reach the database in the following scenarios: The workflow creator sends a workflow with a database connection to a colleague who does not have the same DSN on their computer. The workflow gets sent to the alteryx server to run on a scheduled frequency where the DSN does not exist on the server machine.   Solution   You must have the driver installed on the machine prior to using this guide. The download links to many of the drivers can be found here. Once confirmed that the appropriate driver is installed, select to add from either the user DSN or System DSN tab. Generally, the User DSN is what most users will have access to and what is commonly used. You can learn more about the difference between User and System DSNs here. In order to resolve the error at the local level or on the Alteryx Server, you will need to set up the corresponding DSN found in the app/workflow. The following Community article will provide you step by step instructions on how to set up an ODBC connection . Once you've established the DSN on your machine, you will now be able to successfully re-run the workflow! 
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In Alteryx Designer 2019.1, after adding Browse tools to all of the output anchors of a tool using Right-click > Add All Browses OR Ctrl + Shift + B, running the workflow returns an Unhandled Exception error. The workflow runs indefinitely until Designer is canceled from Windows Task Manager.
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 This error is usually caused by two things: The file you selected is of a different format than what is selected in the File Format drop down in the Configuration window. A .yxdb file you are using as an input has become corrupt. Other causes can be found here: https://community.alteryx.com/t5/Alteryx-Knowledge-Base/Error-FileID-does-not-match-in-the-FileHeader/ta-p/19870   Although extremely rare, if a .yxdb file becoming corrupt is the culprit (one cause is a network connection dropping in the middle of writing the file), you may have a quick and simple way to resolve this potentially stomach-dropping issue:   Open up Windows Explorer and navigate to the file. Right-click on the file and choose Properties. Click on the Previous Versions tab. If you're lucky, there is at least one option of the file that you can revert back to you, hopefully allowing you to avert disaster. Obviously, this doesn't just work with Alteryx files, so perhaps this knowledge will come in handy with other files.   Thanks for reading!
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 When attempting to publish a workflow to your private Gallery which contains the Publish to Tableau Server macro, you may encounter an error similar to this:   “ Cannot find macro "PublishToTableauServer_v1.08.1\Publish to Tableau Server.yxmc"   This is typically due to one of two reasons:   The Publish to Tableau Server macro has not been installed on the Alteryx Server where the Gallery is located. The macro has been installed but has not been installed in the correct location, or the Gallery cannot access the macro for other reasons. Please see this link for instructions on correctly installing the Publish to Tableau Server macro on an Alteryx Server.   Even when the macro has been installed properly on the server, this issue can still occur, and if it does, here is a simple workaround to get your workflow published:   Save the workflow to the Gallery: From Designer, click on File > Save As and choose your Gallery. Add the Tableau macro components as assets of your workflow: Click on Workflow Options > Manage workflow assets. Select all of Publish to Tableau Server related assets (currently there are four). Including these assets when publishing should allow the workflow to publish and run successfully in the Gallery.   Thank you!
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  Question   When importing a .xls file using the Input tool, Alteryx produces NULL values for specific cells, why does this happen?   Summary   By design, Alteryx uses either the Jet or ACE drivers when importing .xls files. In short, it’s not really an Alteryx issue but rather a limitation on the Microsoft drivers, but there’s always a workaround available, and we’ll dig into it later.   One of the common reasons this happens is due to the logic both the JET and ACE drivers follow. By design, they look at the first eight rows in your document when identifying the data types and their lengths, when it comes to handling Legacy Excel files. Translation, please? If at least one cell within the first eight rows of your file contains more than 255 characters, then the drivers will set the data type as “memo” (i.e., a length that can hold up to 32,768 characters). Now if the data type doesn’t exceed 255 characters within the first eight rows the driver sets the data type as a string with a 255-character restriction. How does this relate back to you? Well, if any of your cell values that are after the first eight rows do surpass 255 characters, then the driver will assign a NULL value to those cells. Confusing, right? It’s a good thing all is not lost, at least not yet.   Solution   The user has the choice to work around this issue or fix it in their registry. The workaround includes the following: From the Input Data Tool configuration, check option 6: "First row contains data." This will force all fields as a V_String. Configure the Dynamic Rename Tool to "Take Field Names from First Row of Data." Use the Auto Field Tool to assign the best field type for each data column correctly. The fix for this involves changing a setting in your registry. These instructions are being provided as well as documented from Microsoft, as Alteryx cannot be sure that changing this setting will not cause problems with other applications. For more information on this issue: http://support.microsoft.com/kb/189897.   To change the Registry setting*** Go to Start > Run and type "regedit" In the registry go to HKey Local Machine > Software > Microsoft > Jet > 4.0 > Engines > Excel Double Click: TypeGuessRows Change the value to 0 (zero)   Another workaround is to save the .xls file as a .xlsx. It’s well known that Microsoft hasn’t updated the legacy file extension since 1997. If this is an option you desire to exercise, fear not, there is a Macro for that, especially if you need to convert files by the masses.   Quick Shout out to DanJones for creating a fantastic app that takes a directory path and converts all xls files to csv or .xlsx respectively. https://community.alteryx.com/t5/Data-Sources/Error-opening-an-XLS-not-xlsx-file/td-p/47085/page/2 The post is located all the way in the bottom.   Disclaimer, when it comes to converting a .xls as .xlsx, please review if your workflow has a lot of formatting enabled, if so, please remember that sometimes this will potentially create inconsistencies with your data. It’s also possible to lose some data in the process.   Appendix   *** For performance reasons, setting the TypeGuessRows value to zero (0) is not recommended if your Excel table is enormous. When the value is set to zero, Microsoft Excel will scan all records in your table to determine the type of data in each column. Source: https://help.alteryx.com/2018.1/index.htm#FAQ.htm?Highlight=xls   Thanks for reading! If you have any questions, please message away!
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This error is typically thrown when trying to read a file that does not match the selected File Format, but also in rare cases, from a corrupted file. Error: FileID does not match in the FileHeader   Common causes/ resolutions:   Inputting a yxdb file? Make sure your file type is .yxdb rather than .csv, .kml, etc.   Trying to access a yxdb while it's updating?  If you try to access the yxdb before the module is done running, or if the module crashes/errors during the creation of the yxdb, you'll see this error.  Use a Block Until Done tool immediately before your Output tool.   Using a Directory tool/ Dynamic Input?  Specify the file type.  If your Dynamic Input is pointing to a yxdb template, use the *.yxdb wildcard in your Directory tool, rather than the all-extensions wildcard  *.*   Running an app in the Gallery?  Check 'Replace a specific string' in the Action connected to the Input tool where you specified the file type.   As always, if this does not resolve your error, please open a Support ticket through the Case Portal.   Happy Alteryx-ing!
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UPDATE 11/20/2017: Microsoft released a fix for the XLS issue described below, this fix is included in their November 14, 2017 Monthly rollup.   For your convenience, this is the link to the fix for Windows 10 https://support.microsoft.com/en-us/help/4048954/windows-10-update-kb4048954   And this is for Windows 7 and other OS https://support.microsoft.com/en-us/help/4048957/windows-7-update-kb4048957      We’ve been made aware of an issue connecting to .xls files with the File Format: Microsoft Excel 97-2003 (*.xls). The behavior manifests in two ways.   As an error pop-up box:   'InvalidArgument=Value of '0' is not valid for 'itemIndex'. Parameter name: itemIndex'   Within the Results - Messages pane of the Designer or on the Annotation associated with the impacted tool: ‘Error: Input Data (2): Error opening connect string: Microsoft JET Database Engine: Unexpected error from external database driver (1).\3275 = -535434136’   The error box appears when an Input Data tool is configured to open an .xls file for the first time ever (if there are cached tables, then the error box will not appear). The Annotation and Results pane error message occurs when an .xls file is dragged directly onto an Alteryx designer canvas or when a workflow containing an Input or Output tool that connects to an .xls file using the above format is run (within the designer, a server, or on a schedule), respectively.   The error and experience are discussed in this Alteryx Community post, though you can also read about the issue on this external forum and here, documenting this is a widespread experience across many platforms. Towards the bottom of the external forum post, you can see a comment from a Support Engineer on the Microsoft SQL BI team stating that Microsoft recommends not using the Microsoft JET engine drivers as the current solution to the issue. We detail below how to follow that directive within Alteryx.   The root cause of the error comes from Microsoft’s October Security Update (links below).   If you have already had the update installed, must remain using the update, or choose to proceed with the update, you will experience this behavior. In those situations, here are a couple options available to you.   For new or existing workflows: Within Excel, manually save the .xls file as a .xlsx file and within Alteryx update tools pointing to the old file to point to the new file or Browse to the new file within an Input Data tool For existing workflows: Within Alteryx, manually change the File format to ‘Microsoft Excel Legacy (*.xlsx)’ within the affected Input Data or Output Data tool (described below) For new workflows/new Input Data tools you will not be able to manually Browse out to the .xls file and read it in as you will receive the pop-up error message desribed above. Your options are: Drag and drop the desired .xls file from the Windows explorer box onto the Designer canvas and then manually change the File format to 'Microsoft Excel Legacy (*.xlsx)' Drag an Input Data tool onto the canvas and paste the full path of the desired .xls file into the Connect to a Database box within the Configuration pane and then manually change the File format to  'Microsoft Excel Legacy (*.xlsx)' Option 2 and 3 Step-by-Step Determine if you have the “Microsoft Excel Legacy (*.xlsx)” option available within your Input Data tool. You can determine this by loading any file into an Input Data tool, and then clicking the “File Format” drop-down. If you have this option, you can skip to Step 7. Determine the “bitness” of your Office Installation. The file you download will depend on whether you are running a 32-bit or 64-bit version of Office. https://support.office.com/en-us/article/About-Office-What-version-of-Office-am-I-using-932788B8-A3CE-44BF-BB09-E334518B8B19?ui=en-US&rs=en-US&ad=US In this screenshot, I’m using a 32-bit copy of office. Browse to the Microsoft Access Database Engine 2010 Redistributable page and click “Download” https://www.microsoft.com/en-us/download/details.aspx?id=13255 Select the download that matches your Office “bitness” from before, then click “Next”. The file will begin to download. Save the file to a location that you can run it from. Run the previous installer you downloaded. You can simply click “Next” or “Install” through the installation utility, as options do not need to be changed. Once you receive the dialog that the setup has completed successfully, you can click “OK” and continue to the next step. If Alteryx Designer was open prior to the installation, you should close the program fully, saving your work, and then re-open Alteryx Designer. Otherwise, if Alteryx Designer was not already open, you can open it now. Within Alteryx Designer: Open the workflow with the issue in Alteryx Designer. b. Click on your Input Data or Output Data tool that is experiencing the issue. (Refer to Option 3 above if you are receiving the pop-up error box while connecting to an .xls file for the first time) c. Click the “File Format” drop-down and choose “Microsoft Excel Legacy (*.xlsx)” d. Data should now display in the preview window and the error should no longer appear if you click off the tool or run the workflow.     We understand this is likely to be a frustrating experience for our users and we are investigating what can be done from the Alteryx side to produce a fix for the issue. We are also following the Microsoft posts to understand what their response will be and if they will take any action toward resolution. Please contact Customer Support to report your experience with this issue, as that will allow us to contact any impacted users directly if and when there is a fix made available.   Updates associated with the error: Windows 7, Windows Server 2008 R2 - https://support.microsoft.com/en-us/help/4041681/windows-7-update-kb4041681 Windows Server 2012 - https://support.microsoft.com/en-us/help/4041690/windows-server-2012-update-kb4041690 Windows 8.1, Windows Server 2012 R2 - https://support.microsoft.com/en-us/help/4041693/windows-81-update-kb4041693 Windows 10 Original - https://support.microsoft.com/en-us/help/4042895 Windows 10 1511 - https://support.microsoft.com/en-us/help/4041689 Windows 10 1607, Windows Server 2016 - https://support.microsoft.com/en-us/help/4041691
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These methods should work in most versions of Alteryx.    One of the most common issues we see from clients trying to read in a .csv file is that they are receiving an error starting “Too many fields in row x”, and because of this Alteryx can’t read in the file.     There are a couple of different ways you can resolve this error.   First, in the Input Data tool, you can tell Alteryx to treat read errors as warnings to allow the file to be read in.     This will change the Error to a Warning so that Alteryx can read in the file so you can investigate.     The other method is to read the file in with no delimiter. You can do this by changing the delimiter in the Input Data tool to \0.     Once you have your data parsed back out into its fields, you can use the Dynamic Rename tool to correct your field names, a select tool to remove the original field, and a simple Trim() function to remove the extra delimiter from your data.   This process is illustrated in the attached workflow, created in version 10.1.    
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