Resolved on October 29, 2025.
Type: Incident Duration: 4 hours and 47 minutes Affected Components: , Authentication, Records Upload, Sync Sheets, Other, Stacks Excel Assistant → Oct 29, 16:51:44 GMT+0 - Identified - Microsoft identified the issue and planning a mitigation actions. Oct 29, 20:49:50 GMT+0 - Resolved - Availability of Excel Assistant is now restored. We will continue to monitor while Microsoft continues their recovery. Oct 29, 16:02:51 GMT+0 - Investigating - Due to unavailability of Microsoft Office host [appsforoffice.microsoft.com](http://appsforoffice.microsoft.com), Excel Assistant Add In could not be used. We are monitoring the issue.
Update timeline
- resolved Oct 29, 2025, 04:02 PM UTC
Type: Incident Duration: 4 hours and 47 minutes Affected Components: , Authentication, Records Upload, Sync Sheets, Other, Stacks Excel Assistant → Oct 29, 16:51:44 GMT+0 - Identified - Microsoft identified the issue and planning a mitigation actions. Oct 29, 20:49:50 GMT+0 - Resolved - Availability of Excel Assistant is now restored. We will continue to monitor while Microsoft continues their recovery. Oct 29, 16:02:51 GMT+0 - Investigating - Due to unavailability of Microsoft Office host [appsforoffice.microsoft.com](http://appsforoffice.microsoft.com), Excel Assistant Add In could not be used. We are monitoring the issue.
Your product runs on more than Stacks AI
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.