clones of

Lookout

Clone of Outlook

Free email, calendar and contacts app for Linux that works like Outlook, with folders, a reading pane, categories and follow-up flags.

Screenshot of Lookout

Image: Lookout

What works the same as Outlook

  • Mail, calendar, contacts and tasks in one window, like Outlook.
  • Categories and follow-up flags on messages.
  • A calendar with day, work week, week, month, schedule and list views.
  • Rules, junk and phishing reporting, and automatic replies.
  • Syncs calendars, contacts and tasks with Microsoft 365 accounts.

What is missing

The project does not say what is missing

How to get started

  1. It runs on Linux only. Click Download and pick the package for your system: .deb, .rpm, Flatpak or Snap.
  2. Install it like any other app from your file manager or software center.
  3. Open Lookout and add your account from GNOME Online Accounts, or any mail server by hand.

Compatible files

Outlook projects Not tested yet

Other Outlook clones

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Project created in August 2026. Data from version 0.9.310, November 5, 2026.