Hi @abderrahmane belabes ,
To resolve the recurring issue with Outlook accounts and ensure a clean reinstallation of Microsoft applications, follow the steps:
1.Uninstall Office Apps
Outlook and Office Suite:
Open Settings > Apps > Installed apps.
Find Microsoft Office (or Microsoft 365), click on the three dots (…), and select Uninstall.
Follow the prompts to complete the uninstallation.
Teams:
Open Settings > Apps > Installed apps.
Find Microsoft Teams, click on the three dots (…), and select Uninstall.
Follow the prompts to complete the uninstallation.
OneDrive:
Open Settings > Apps > Installed apps.
Find Microsoft OneDrive, click on the three dots (…), and select Uninstall.
Follow the prompts to complete the uninstallation.
2.Remove Residual Files and Cache
Outlook Data:
Delete %localappdata%\Microsoft\Outlook
%localappdata%\Microsoft\Outlook
Teams Data:
Delete %appdata%\Microsoft\Teams
OneDrive
Delete%localappdata%\Microsoft\Onedrive
3.Remove Windows Account Sync
Go to Settings > Accounts > Windows Backup and turn off Remember my preferences and sync settings. In settings > Email &Accounts, remove non-organization accounts.
4.Remove Credentials
Open Control Panel > User Accounts > Credential Manager.
Go to Windows Credentials and remove any entries related to Outlook, Teams, and OneDrive.
5.Delete Outlook profiles
Go to Control Panel > Mail > Show Profiles, remove all profiles.
6.Reinstall Office Apps
Download and install the Office apps from the Microsoft Office website.
During the setup, only add the organization's email account.
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