Error when starting Microsoft Excel after setting Excel to open SigmaXL automatically

Error when starting Microsoft Excel: Sorry we couldn't find C:\Program Files\SigmaXL\V8\SigmaXL.xlam. Is is possible it was moved, renamed or deleted?


After upgrading SigmaXL to the latest version, you are presented with the following error message when launching Excel:

This error can even occur after attempting to update the path to SigmaXL in the Add-ins list.

To resolve this issue, do the following:

  1. Open Excel and go to File > Options:



  2. Click Add-Ins and Go... beside Manage: Excel Add-Ins:



  3. Uncheck Sigmaxl in the Add-Ins list:



  4. When presented with the following, click No:



  5.  Ensure SigmaXL stays unchecked and click OK:



  6. Close and Reopen Excel.

  7. Repeat Steps 1 and 2.

  8. Click SigmaXL in the Add-Ins list. When presented with the following, this time click Yes:



  9. Note that SigmaXL has been removed from the list of available Add-Ins. Click OK:

  10. Close and Reopen Excel.

  11. Click here and follow the procedure to have Excel load the newer version of SigmaXL automatically if desired.