It won’t hurt to clear out all of these stored passwords from time to time anyway. If you are unable to install the latest update for Outlook 2010 or Outlook 2013, you can work around this issue by removing all previously saved credentials. To remove stored credentials and force Outlook to use your Windows desktop credentials, follow these steps. You should make sure to put a check in the box that says "Remember my credentials". If you don’t put a check in the box, it will continue to pop up...

Content Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. You might need to set Windows Update to automatically download and install recommended upd...

Content I will be assisting you today and hope we can solve the issue together. Create your account and connect with a world of communities. Outlook will show as connected to Exchange but is not receiving any new email. ...

Content If none of these steps resolve the issue, you may need to contact Microsoft support for further assistance. It's also possible that there's an issue with client-server communication such that OAB downloads aren't happening. In the worst case, export the mailbox content to pst and create a new mailbox. Turning it off and on again wont do anything except except re-connect their outlook to an already broken cache. "Cannot start Microsoft Outlook. Cannot open the Outlook window. The s...

Content If none of these steps resolve the issue, you may need to contact Microsoft support for further assistance. It's also possible that there's an issue with client-server communication such that OAB downloads aren't happening. In the worst case, export the mailbox content to pst and create a new mailbox. Turning it off and on again wont do anything except except re-connect their outlook to an already broken cache. "Cannot start Microsoft Outlook. Cannot open the Outlook window. The s...