Computer and Software Support


The document [filename] caused a serious error the last time it was open

This indicates that the file was placed on the disabled file list. Office adds a file to this list if it crashes frequently. To resolve, do the following

  1. Select Office button
  2. Click Excel Options button
  3. Click Add Inns
  4. In the drop down menu next to Manage, choose Disabled Items
  5. Click Go
  6. Click the file you want to remove
  7. Click Enable