File Extension Search

.olk File Extension

Developer: Microsoft Corporation
File type: Outlook Address Book File
You're here because you have a file that has a file extension ending in .olk. Files with the file extension .olk can only be launched by certain applications. It's possible that .olk files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .olk file?

The OLK file extension is known as Outlook Address Book File which was developed by Microsoft. It is a file format used for address book which contains contact information for people and organizations. It stores names, phone numbers, addresses, titles, organization data, and other contact information. It is used for saving and loading contacts. The Outlook Address Book is a virtual address book instead of a physical address book because Outlook does not store the Outlook Address Book as a file that is separate from your data store. 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. Files in OLK format can be opened by Microsoft Outlook 2010 and Microsoft Word 2010 in Microsoft Windows platforms. Outlook contacts are more often stored as Personal Address Book (.pab) files.

how to open a .olk file?

Launch a .olk file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .olk file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .olk files aren't yet associated with it. In this case, when you try to open a .olk file, you can tell Windows which application is the correct one for that file. From then on, opening a  .olk file will open the correct application. Click here to fix .olk file association errors

applications that open a .olk file

Microsoft Outlook Express

Microsoft Outlook Express

Outlook Express is an email and news client that is integrated with Internet Explorer versions 4.0 through 6.0. It is also bundled with a number of versions of Microsoft Windows, from Windows 98 to Windows Server 2003, and is available for Windows 3.x, Windows NT 3.51, Windows 95 and Mac OS 9. In Windows Vista, Outlook Express was outdated by Windows Mail, then again by Windows Live Mail as separate software in Windows 7. Microsoft Entourage, sold as part of Microsoft Office for Macintosh, has changed the Macintosh version. Outlook Express is a diverse application from Microsoft Office Outlook. The two programs do not share a common codebase, but do share a common architectural philosophy. The similar names lead many people to incorrectly conclusion that Outlook Express is a stripped-down version of Microsoft Office Outlook. Outlook Express utilizes the Windows Address Book to store contact information and incorporates tightly with it. On Windows XP, it also joins together with Windows Messenger.
Microsoft Word

Microsoft Word

Microsoft Word is a word processor program that is packed in the Microsoft Office Suite. It is developed by Microsoft Corporation, generating a .doc file extension when the file is saved. A document file format (.doc) is a text or binary file format for saving documents on a storage media, mainly for computer use, like typing text, charts, tables, page formatting, graphs, images and other documents whose content is created and edited. Contents of these documents are printable in any sizes and are capable to open in other devices provided that its operating system is able to read DOC files. This .doc file extension has become extensive de facto standard for office documents, but it is an owned format and is not always totally supported by other word processors. A variety of programs that is able to open this type of file, and different operating systems and have installed programs that can open a 1ST file are: Microsoft Word, Microsoft Notepad, Microsoft Word, IBM Lotus WordPro, and Corel WordPerfect.

a word of warning

Be careful not to rename the extension on .olk files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .olk. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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