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.OLK File Extension

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File TypeOutlook Address Book File
DeveloperMicrosoft
Popularity
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Rare Uncommon Average Common Very Common
CategoryData Files
File Format Description

Address book created by Microsoft Outlook, an email application; may contain contact information for people and organizations; can store names, phone numbers, addresses, titles, organization data, and other contact information; used for saving and loading contacts.

OLK files can be opened manually in Outlook 2003 by typing the following command: Outlook.exe /l olk_filename. OLK files can also be opened by Microsoft Word 2003 and used for mail merge and other document operations.

Outlook contacts are more often stored as Personal Address Book (.PAB) files.

Program(s) that open .OLK files
Updated 5/24/2010