Enhanced mouse wheel scroll add-in for Microsoft Excel and Word. Horizonal scroll while Shift key is pressed and scroll by page when Alt key is pressed.

To fix an Excel spreadsheet not adding up correctly, check the SUM function's syntax and make sure there aren't any text format cells in the sheet.

Reason: The issue description indicates that the problem with installing add-ins started occurring after a recent update to Excel for MacOS Version 16.100 (25081015). The user explicitly mentions that ...