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Try starting Outlook with the /cleanviews switch<br />
<br />
Start -&gt; Run -&gt; Outlook.exe /cleanviews or add it to the shortcut.
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Try starting Outlook with the /cleanviews switch

Start -> Run -> Outlook.exe /cleanviews or add it to the shortcut.

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Hi When one of our users attempts to open his calendar and either Create, Alter or delete an entry in it, it freezes and has to be shut down. <br />
<br />
Any ideas what causes this and how to resolve?
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Hi When one of our users attempts to open his calendar and either Create, Alter or delete an entry in it, it freezes and has to be shut down. 

Any ideas what causes this and how to resolve?

Outlook Calendar Freezing

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.