Fix Outlook Cannot Connect to Server Issue?
Outlook is a desktop-based email client offered by the MS Office Suite. Users utilize Outlook to send and receive emails. For this, the Outlook is configured with the Exchanges server profile that creates an OST file in the Cached Exchange. These OST files allow the users to work even if they are not online, also known as the Offline Folder file. To work with OST files, you need an authenticated user profile that matches the MAPIEntri ID GUID key with the server mailbox. But when this authentication fails, the Outlook cannot connect to server , and you face the below error on your display. Cannot start Microsoft Outlook. Cannot Open Outlook Window. The set of folders cannot be opened. The file C:\Users\….\abc@xyz.com.ost cannot be accessed. You must connect to Microsoft Exchange. At least once before using the Outlook data file (.ost). Through this blog, we will help you to resolve your server problem with straightforward techniques. We also provide the reason...