
Step 1: On your PC, begin with launching Windows Explorer. This is how you can repair it when stuck with cannot start Outlook invalid XML problem. If the PST files get damaged, you may get this problem and hence as the first method, we would like to suggest you going with this. This tool is designed by Microsoft to help people repairing their PST files as well as any problems related to it. One of the promising ways to resolve cannot open Outlook invalid XML issues can be Inbox Repair Tool. Here are the five methods mentioned one by one. Now that you know what can make this error happen, let us try to fix these on our own. Note: To ensure that the XML file corruption is the only reason, ensure that the size of the file is 0.įive Tips to Fix Cannot Start Microsoft Outlook Invalid XML Error When you launch Outlook, you will find it getting frozen for a bit.Īfter this, a pop-up will come up where it will show the message "Cannot start Microsoft outlook.


You can easily find the error on your system as there is only one symptom enough to make you realize that you are stuck with the problem.


