Hi Pavel Paunov,
Welcome to Microsoft Q&A forum.
Please note that our forum is a public platform, and we will modify your question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.
Sorry you’re dealing with this—seeing the same old message reappear multiple times a day is definitely frustrating.
To narrow down the right fix, could you please confirm these two details?
1. Which Outlook are you using?
- New Outlook / Classic Outlook / Outlook on the web / Mac / mobile
2. What type is the affected account?
- Outlook.com / Microsoft 365 (Exchange) / IMAP / POP
Once those are confirmed, the next steps can be tailored correctly for your setup.
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