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How to resolve the error message "Microsoft Outlook can not be started" that occurs when opening Outlook 2010 (Easy Fix Article)

This is a Step-By-Step article This is a Step-By-Step article
Scenario Description
When I open Outlook 2010, why do I see error messages such as "Microsoft Outlook can not be started, cannot open the Outlook window, the set of folders cannot be opened, cannot access file, you do not have the permission required to access the file XXX" or "Cannot open your default e-mail folders. Cannot access file, You do not have the permission required to access the file XXX"? How can I resolve this problem?

Outlook cannot start error message

Simple solutions 123
First, click "Start", and then click "Control Panel".

Change "View By" to "Large Icon", then click "Mail".

Open Mail in control panel

Click "Data File".

Open Data Files

Next, click the data file your are currently using, and then click "Open file Location".

Open File location

Right-click on the data file, and click "Property".

Open PST file properties

Finally, please uncheck the "Read Only" box and click "OK".

Read only checkbox

Now you should be able to open your Outlook 2010 without problems.

Reopen Outlook

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Article ID: 2751236 - Last Review: 09/12/2013 09:19:00 - Revision: 4.0

Microsoft Outlook 2010

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