PROBLEM
ArcMap crashes unexpectedly when working with files from Microsoft Access or Microsoft Excel.
The compatibility files, such as DLL registration files, used to read files from Microsoft Access and Microsoft Excel are missing or corrupt. This happens when Microsoft Office is upgraded to a newer version, and the compatibility components from the previous instance are either removed or corrupted.
To resolve this issue, download and install a patch provided by Microsoft depending on the version of Microsoft Office used.
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