Olminator

Olminator is a macOS utility that converts Microsoft Outlook for Mac .olm archives into standard formats for mail, calendars, contacts, and notes.

Bgoerke io.bgoerke.Olminator

What is Olminator?

Olminator is a macOS conversion utility for people who need to open, migrate, archive, or reuse data exported from Microsoft Outlook for Mac. It turns .olm archive files into common formats such as .mbox and .eml for email, .ics for calendar events, .vcf for contacts, and HTML for notes, making the results easier to import into other apps or keep in a more portable form. The app is especially useful when moving from Outlook to Apple Mail, Calendar, Contacts, and Notes, but its output can also fit broader backup and migration workflows. Olminator includes tools for selective conversion, profile-based settings, and optional exports such as PDF, HTML, and CSV for some data types. It is published by Bgoerke for Mac users who want practical control over Outlook archive conversion without editing data by hand.

Key features

  • Convert Outlook for Mac .olm archives into .mbox and .eml email files
  • Export calendar items to .ics files for use in other calendar apps
  • Convert contacts into .vcf files and optional CSV output
  • Turn notes into HTML files for easier reading and archiving
  • Selectively convert specific folders or item types instead of the entire archive
  • Use profiles to save different conversion settings for different archives
  • Generate PDF or additional HTML output for supported items
  • Prepare converted data for import into Apple productivity apps

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Safety overview

Status: Mostly safe

Olminator is designed to work with Outlook archive files that you choose and to write converted files to a folder you select, which is normal for a file conversion utility. Its documented network activity is limited to checking for updates and retrieving remote web content referenced inside converted items, and those behaviors can be turned off in the app's settings. Because it can handle email, calendar, contact, and note exports, the converted output may contain sensitive personal or work information, so store the results in a location you trust and remove temporary copies you no longer need.

Recommendation: Keep Olminator if you still convert or preserve Outlook for Mac archives, especially during migration to Apple apps or other standard formats. If you no longer use it, removing the app is usually fine, but keep any converted files or exported archives you still need before uninstalling.

Common paths

  • /Applications/Olminator.app

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