Error: "Could not find installable ISAM" (installable indexed sequential access method)

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    IssueFailure to find an ISAM (installable indexed sequential access method)
    • Tableau Desktop
    • Microsoft Office

    As the issue may be coming from your environment, and because the steps in one of the Microsoft KB article require you to edit the registry; please engage your IT team before you follow them.

    • If the data source is a Microsoft Office 2010 file (.xslx or .accdb), install the 32-bit version of the Microsoft Access Database Engine 2010 Redistributable from the Microsoft Download Center:
    • If the data source is a Microsoft Office 2007 file (.xlsx or .accdb), install the 2007 Office System Driver: Data Connectivity Components from the Drivers page.
    • If your data source is not a Microsoft Office 2007 file, or if installing the 2007 Office System Driver does not resolve the issue, review the following Microsoft knowledge base article:
      • In Tableau, the Msexc40.dll file causes the issue. Follow the steps in that article to re-register the component with the Windows operating system.
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