Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
The key detail is that Microsoft Authenticator is installed. On Android, Authenticator can act as Microsoft’s authentication broker and provide device-wide account information to apps such as OneDrive. That information can survive clearing or reinstalling OneDrive because it is not necessarily stored by OneDrive itself.
Open Microsoft Authenticator and check whether your former work account is still listed there. If it is, remove it.
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If the old work account was enrolled through MDM/Intune, removing it from Authenticator may not be enough. The Android work profile itself should also be removed.
For a personal/BYOD Android device enrolled with Microsoft Intune.
I do believe on an Android, the general instruction is Settings > Accounts and backup > Manage account > Work > Work account > Remove account