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Details of the .olm file extension

The table below provides useful information about the .olm file extension. It answers questions such as:

  • What is the .olm file?
  • What program do I need to open a .olm file?
  • How can the .olm file be opened, edited or printed?
  • Where can I find the specifications for .olm?
  • Which MIME-type is associated with the .olm extension?
  • How can I convert .olm files to another format?
  • What are other, similar filename extensions to .olm?

We hope you find this page helpful and a valuable resource!

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

.olm file extension details

Microsoft Office Outlook for Mac Database

Microsoft Office Outlook for Mac Database .olm file icon
OLM file is a Microsoft Office Outlook for Mac Database. Microsoft Office for Mac is a suite of desktop productivity applications that is designed to work specifically with the Mac operating system.
OLM format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
OLM aliases:
OLM related links:
OLM related extensions:
Microsoft Office Outlook for Mac Message Pointer

Microsoft Office Outlook for Mac Message Data

Microsoft Office Outlook for Mac Task Data

Microsoft Office Outlook for Mac Signature

Microsoft Office Outlook for Mac Note

Microsoft Office Outlook for Mac Preferences

Microsoft Office Outlook for Mac Accounts Data

Microsoft Office Outlook for Mac Contacts Data

Microsoft Office Outlook for Mac Group Data

Microsoft Office Outlook for Mac Events Data

Other types of files may also use the .olm file extension.

.olm file extension error

The .olm file extension is often given incorrectly!

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

klm, oml, plm, ol, lm, oom, omm, om, olk, lom, llm, ilm

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OtsAV Media Library
Unknown KLM File
TracePro Model
Panasonic SD Voice Editing File
PTC Creo Model File
ARPA-MIT Language Model File
Valve Hammer Object Layout
Sybase PowerDesigner Object-oriented Model
OptiMatrix Maker Data
STK Owner/Mission File
open .olm file

Can't open a .olm file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .olm file association, check the FAQ.

.olm file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .olm file extension, write to us!

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