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How to Get Rid of Cannot Start Microsoft Outlook Error in Windows 10?

Cannot Start Microsoft Outlook Error

Sometimes while using Outlook suddenly you got the error “Cannot start Microsoft Outlook. Unable to open the Outlook window. The set folders could not be opened. The server is not available. Contact your administrator if this condition persists”. How to resolve this error?

Reasons Behind Cannot Open Outlook Window Invalid XML Error

There are some possible manual as well as automatic solution available on internet by which you could get rid of Cannot Start Microsoft Outlook error. But before choosing the required solution, you must understand the actual cause that are restricting MS Outlook from being opened. Here you’ll get to know to know some of the most possible reasons (shown as following) due to which Outlook cannot be opened:

After knowing/analyzing the reason, you may proceed with the correct solution. Have look at the following methods:
Use Inbox Repair Tool to repair PST file.

MS Outlook 2013: C:\Program Files\Microsoft Office\Office15
MS Outlook 2010: C:\Program Files\Microsoft Office\Office14

Recover and Delete Navigation Pane Configuration File

Turn off Compatibility Mode in Outlook

Create a new Outlook Profile

To Disable Add-Ins, do the Following Steps:

What If Outlook Unable to Start Error Message Does Not Resolve?

After trying the above solution, if nothing resolves your problem and you’re still not able to open MS Outlook, then it means your PST file is highly corrupted. And the corrupted PST file needs to be recover but it cannot be done using manual methods. However there are some tools that can easily repair even the highly corrupted PST file and hence to get rid of the error Outlook Cannot Start. One such application is Outlook PST File Repair Software.

Related: 5 Most Common Outlook Issues With Solution


In this article you’ll learn why and how the Cannot Start Microsoft Outlook occurs along with all possible solutions to resolve this error. As you know there are two types of damages possible in PST file: minor/major damages. In case PST file has minor damage, then you can solve the error manually otherwise PST Repair tool can easily do this.

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