Web results:
- Boot Outlook 365 in Safe Mode and (attempt to) Re-Add the work email account via 'Outlook > File > Account Settings > Account Settings > New'. - Uninstall/Reinstall Microsoft 365. (I have setup all nine of the other email accounts in Outlook 365 via ' Control Panel > Mail (Microsoft Outlook) > Account Settings > Add ').
How to Fix Outlook Not Connecting to Server Restart Outlook. One way to fix most minor glitches with Outlook is to restart the app. When you do this, Outlook turns... Check Your Internet Connection. A possible reason Outlook can’t connect to your email server is that your internet... Fix Outlook by ...
Fix software update and profile issues. Out-of-date software and corrupted Outlook profiles are two of the most common issues that can prevent you from sending and receiving email. If you're an admin with multiple users reporting problems, you also should check for service issues with Microsoft 365.
Choose Account Settings > Account Settings. On the Email tab, choose your account (profile), and then choose Repair. Note: The Repair option isn't available if you're using Outlook 2016 to connect to an Exchange account. Follow the prompts in the wizard, and when you’re done, restart Outlook.
If you want to use outlook, type outlook on the start menu and open it. Pin it to the task bar and remove the Mail app. Outlook has a blue icon, Mail is a white envelope. Best guess, it sounds like you need to update the password. :)
Outlook needs to be connected with the server to send & receive emails. If Microsoft Outlook cannot connect to the server, see this post.
If Outlook is unable to connect to the server, it may simply be because your internet connection isn’t working. Try a web search on a phone or computer that is connected to the same network....
If Outlook is unable to connect with the mail server, it starts in offline mode automatically. Note: To specify the amount of time to wait for a response from the server before you are notified to retry or work offline, type a number in the Seconds Until Server Connection Timeout box.
Important: Manual setup isn't possible for Microsoft 365 or Exchange server accounts unless you want to use POP or IMAP to connect to those accounts. Contact your administrator to determine if POP or IMAP access are enabled for your account.
If you use Outlook.com to access an account that uses a domain other than @live.com, @hotmail.com, or @outlook.com, you might not be able to sync your accounts using IMAP. To resolve this, remove the connected IMAP account in Outlook.com and reconfigure it as a POP connection.