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OP didn't return to let us know if it helped.
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I have client that update is to El Captinton and now her outlook will not open is there a safe mode for the Mac os?
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I have client that update is to El Captinton and now her outlook will not open is there a safe mode for the Mac os?

Safe mode for outlook

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.