Forum Discussion
Aaronni
Sep 17, 2026Occasional Reader
Excel "You don't have permission to use this add-in"
Microsoft 365 Personal subscription Excel Version 2608 (Build 20326.20144) Add-ins work in Excel for the web Add-ins fail only in desktop Excel when signed in Issue occurs on two different Window...
NightSleeper
Sep 17, 2026Occasional Reader
Same here. Went through 2 support sessions with Microsoft and they couldn't fix it. Can confirm this is happening on 2 different PCs.
- mciepSep 18, 2026Occasional Reader
Same here, Microslop!