Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .olk

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .olk file?
  • Which program can create the .olk file?
  • Where can you find a description of the .olk format?
  • What can convert .olk files to a different format?
  • Which MIME-type is associated with the .olk extension?
Microsoft Outlook Address Book .olk file icon

Microsoft Outlook Address Book

The OLK file is a Microsoft Outlook Address Book. Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite.
Category: Data files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Outlook VBA Project

Other types of files may also use the .olk file extension. If you have helpful information about .olk extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Visual Studio Incremental Link File
Orgadata LogiKal Data
Progress OpenEdge Database Lock
TreeMix Likelihood Data
OmniPage 9 LOK Data
Lenne3D Plant Distribution Data
Dot OK MD5 Hash
Valve Hammer Object Layout
TrialDirector Batch Load Data

The .olk filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

olm (1), ol (1), lok (1), lk (1), ilk (1), opk (1), omk (1), oll (1), ok (1), llk (1), klk (1), plk (1), ook (1)

Can't open a .olk file?

If you want to open a .olk file on your computer, you just need to have the appropriate program installed. If the .olk association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.olk

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android