2450063 - "The file you are trying to open, *.sapaox, is in different format than specified by the file extension" issue

When trying to open the AO workbooks, user getting below error:

The file you are trying to open, "*.sapaox", is in different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?

SAP Analysis for Microsoft Office

1. Download the "*.sapaox" file to the local machine;
2. Right-click on the file and choose to always open these file extensions using program "BiofficeLauncher";
3. Retest the issue.

KBA , BI-RA-AO-XLA , Excel Addin , Problem