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MS365 Login m365.cloud.microsoft freezed copilot "Home page". MS Edge works fine

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Using the Firefox browser: Logging into MS365 via https://login.microsoftonline.com has recently caused the “Copilot homepage” (m365.cloud.microsoft) to freeze. There is no response to mouse clicks or keyboard input. The login name is displayed in the bottom left corner, but there is no reaction with information and options as usual. The “Show App” option above the login is missing. Entering the username, even in MFA input, works without errors; all users are logged in via Entra. Access via MS Edge works as before, as does Firefox.

Translated with DeepL.com (free version)

Using the Firefox browser: Logging into MS365 via https://login.microsoftonline.com has recently caused the “Copilot homepage” (m365.cloud.microsoft) to freeze. There is no response to mouse clicks or keyboard input. The login name is displayed in the bottom left corner, but there is no reaction with information and options as usual. The “Show App” option above the login is missing. Entering the username, even in MFA input, works without errors; all users are logged in via Entra. Access via MS Edge works as before, as does Firefox. Translated with DeepL.com (free version)

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