Forum Discussion
aubeline
Apr 02, 2026Copper Contributor
Offie 365 log in window suddenly disappears.
I have an Office 365 subscription, and when I try to open a file (Word or Excel), a window tells me to connect to my account. I type my email, and another window opens, but for only a second, not lea...
Kidd_Ip
Apr 05, 2026MVP
May refer this:
https://support.microsoft.com/en-us/office/troubleshoot-signing-in-e84cdd10-7dfa-4f29-99d5-0415112581f6
https://support.microsoft.com/zh-hk/topic/fix-outlook-account-problems-in-office-365-for-business-13537d12-053d-6457-133d-a72076516cbe
https://support.microsoft.com/en-us/windows/microsoft-365-troubleshooters-486d7956-6a21-4c75-bc4f-0704077c583c