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ost file to store a synchronized copy of the data on your local drive. You can use either POP3 or IMAP to receive messages. Fortunately, Outlook includes a program to do just that. There are many cases when the Outlook data files get corrupted and cause this error. Type outlook /resetnavpane and press Enter.ĭo this for all computers if you have more than one.You can fix this issue by resetting the file. The error message should also mention “invalid XML” in such cases. Reset Navigation PaneĬorruption of the Navigation Pane’s XML file is also another reason for Microsoft Outlook failing to start. Disabling the responsible add-ins should fix this issue. Do this for all options to determine the culprit. Then re-enable an add-in and restart again. Look for Manage on the lower part of the tab.If you can successfully open Outlook, disable all Add-ins by following the steps below: If Outlook doesn’t open, then some other causes are responsible. You can check this easily by opening MS Outlook in safe mode.
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In many cases, this error occurs due to conflicts with Outlook Add-ins. If it does, move on to the fixes below: Open in Safe Mode and Disable Add-ins First, restart your computer and check if the error persists. Some of the usual reasons include:įixes for Cannot Start Microsoft Outlook Errorĭepending on the cause of the error, there are several possible solutions. There are many probable causes for this issue, and different messages accompany the “Cannot start Microsoft Outlook” error in individual cases.
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