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.OLM File Extension

File TypeMac Outlook Database File

DeveloperMicrosoft
Popularity
4.3 (9 Votes)
CategoryData Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

What is an OLM file?

Database file used by Microsoft Outlook for Mac; used as the software's internal format for storing email messages, contacts, journals, calendar data, and other user application data.

More Information

OLM files are used only by Mac Outlook and can't be opened by the Windows version of Outlook because the Windows version uses .PST files rather than the OLM format. To open OLM files in Windows, you can first convert the OLM file to the PST format with and then open in it Outlook.

NOTE: The Stellar Phoenix OLM Repair tool is designed to repair corrupt Mac Outlook OLM files. The program can help recover emails, calendars, address books, attachments, notes, and tasks.

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Programs that open OLM files
Updated 6/25/2018

About OLM Files

Our goal is to help you understand what a file with a *.olm suffix is and how to open it.

The Mac Outlook Database file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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