: Navigate to C:\Program Files\Microsoft Office\root\Office16 and run the Inbox Repair Tool (ScanPST.exe) to scan and repair your data file.
Troubleshooting and Fixing Common Email Issues for Gmail, Yahoo, Hotmail, and AOL in Outlook 2019 gmailcom yahoocom hotmailcom aolcom txt 2019 fix
A known bug has previously caused synchronization failures for Gmail and Yahoo users in classic Outlook clients, including Outlook 2019. If your account has stopped syncing and no longer prompts you to sign in: Repair Outlook Data Files (
: Close Outlook and navigate to %localappdata%\Microsoft\Outlook\RoamCache to delete the files inside, which can resolve persistent formatting and loading issues. 3. Fix Attachment and Formatting Errors gmailcom yahoocom hotmailcom aolcom txt 2019 fix
: If waiting does not work, you can force a new sign-in prompt by changing your account password or using the Microsoft Registry workaround to delete affected registry entries. 2. Repair Outlook Data Files (.pst and .ost)
: Synchronization often resumes automatically after your OAuth token expires, which usually happens one hour after a password change.