Claude's Excel add-in now warns that it is being retired
OKCoookieDough · reddit · 2026-07-22
Claude's Excel add-in is showing a retirement warning
A user reports that the Claude in Excel add-in suddenly became unavailable and now displays a warning that it is being retired and will be unavailable soon.
The screenshot attached to the post shows a Claude dialog with an "Add-in Warning" message and a button pointing to Microsoft AppSource for details. The user says reinstalling did not help and asks whether this is a broader retirement notice or just their account.
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