The error occurs when authentication between Outlook and Exchange server fails due to corrupt profile, damaged or inaccessible OST file, synchronization issues, etc. In this guide, we’ve mentioned the reasons behind the error and the solutions to fix the ‘Outlook cannot connect to server’ error.
The ‘Outlook cannot connect to server’ error may render your Outlook account useless and result in a data loss situation, if not resolved. The error prevents you from accessing the Outlook account and mailbox items as it fails to connect to the Exchange server.
Outlook may fail to connect to the Exchange server due to authentication failure, if your profile gets damaged. In such a case, you can create a new Outlook profile to fix the error. The steps are as follows: Open Control Panel and search ‘Mail.’.
Another inquiry we ran across in our research was “Why can’t I connect to any servers?”.
Another thing to check before we start technical workarounds is that there is a valid internet connection. If there is an issue with the network or it is not open, you will not be able to connect to any servers whatsoever.
Why can’t I access my Outlook Mail?
Try connecting another device to the same network. If the device has Outlook, try to launch it and see if it works properly. Try accessing your browser and navigate to the mail’s website and see if you can retrieve your mail from there. If there is an issue there and you are unable to connect, it probably means there is an issue with the servers.
Why can’t I access my email on my Device?
If the device has Outlook, try to launch it and see if it works properly. Try accessing your browser and navigate to the mail’s website and see if you can retrieve your mail from there. If there is an issue there and you are unable to connect, it probably means there is an issue with the servers.
What happens when authentication fails in Microsoft Outlook?
However, when this authentication fails, Outlook cannot connect to the Exchange server mailbox and displays the following or similar error message. The set of folders cannot be opened. The file C:\Users\….\abc@xyz., and com. Ost cannot be accessed.