Content Rebuilding an Outlook profile resets all account settings, fixing sync issues, slow performance and profile corruption. It creates a fresh configuration and new data files while reconnecting to the new mail server for updated mailbox access. Outlook is used by 400 millions of users that makes it completely trusted by individuals and organizations. However, sometimes Outlook profiles get corrupted or misconfigured due to software updates, sync issues or unexpected closures. ...

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...

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 Rebuilding an Outlook profile resets all account settings, fixing sync issues, slow performance and profile corruption. It creates a fresh configuration and new data files while reconnecting to the new mail server for updated mailbox access. Outlook is used by 400 millions of users that makes it completely trusted by individuals and organizations. However, sometimes Outlook profiles get corrupted or misconfigured due to software updates, sync issues or unexpected closures. ...

Content We're investigating the issue and will update this page when a fix is available. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-in...

Content I wanted to send a large pdf file (20Mb).While sending I disrupted this process (turned off pc?). As a result my pst-file was corrupted and my outlook could no longer be started/opened.This tool fixed PST-file. You can create a new FixTechGuide Office 365 troubleshooting Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found f...