Microsoft Outlook

This article is about the desktop subscription software. For web platform, see Outlook on the web. For the email service, see Outlook.com.

Microsoft Outlook
Developer(s)Microsoft Corporation
Initial releaseJanuary 16, 1997; 27 years ago (1997-01-16)
Stable release(s)
Microsoft 365 & Retail[a] (Windows)2410 (Build 18129.20158) / 12 November 2024; 15 days ago (2024-11-12)[1][2]
Microsoft 365 (Mac)16.91 (Build 24111020) / 12 November 2024; 15 days ago (2024-11-12)[3]
Office 2021 (LTSC)2108 (Build 14332.20812) / 12 November 2024; 15 days ago (2024-11-12)[2]
Office 2019 (LTSC)1808 (Build 10416.20007) / 12 November 2024; 15 days ago (2024-11-12)[4]

Outlook app
Windows1.2024.1107.200 / 15 November 2024; 12 days ago (2024-11-15)[5]
Android4.2445.1 / 21 November 2024; 6 days ago (2024-11-21)[6][7]
Wear OS4.2445.1 / 21 November 2024; 6 days ago (2024-11-21)[6][8]
iOS4.2445.2 / 22 November 2024; 5 days ago (2024-11-22)[9]
Android (Lite)3.58.0 / 9 October 2024; 49 days ago (2024-10-09)[10][11]
Operating systemWindows, macOS
TypePersonal information manager
LicenseTrialware
Websitewww.microsoft.com/microsoft-365/outlook/

Microsoft Outlook is a personal information manager software system from Microsoft, available as a part of the Microsoft 365 software suites. Though primarily being popular as an email client for businesses, Outlook also includes functions such as calendaring, task managing, contact managing, note-taking, journal logging, web browsing, and RSS news aggregation.

Individuals can use Outlook as a stand-alone application; organizations can deploy it as multi-user software (through Microsoft Exchange Server or SharePoint) for shared functions such as mailboxes, calendars, folders, data aggregation (i.e., SharePoint lists), and as appointment scheduling apps.

Other than the paid software on Windows and Mac desktops that this article talks about, the Outlook name also covers several other current software:


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  1. ^ "Release notes for Current Channel". Microsoft Learn. Retrieved November 12, 2024.
  2. ^ a b "Update history for Office LTSC 2021 and Office 2021". Microsoft Learn. Retrieved November 12, 2024.
  3. ^ "Update history for Office for Mac". Microsoft Learn. Retrieved November 12, 2024.
  4. ^ "Update history for Office 2016 C2R and Office 2019". Microsoft Learn. Retrieved November 12, 2024.
  5. ^ "Outlook for Windows". Microsoft Apps. Retrieved November 25, 2024.
  6. ^ a b "Microsoft Outlook". Google Play. Retrieved November 25, 2024.
  7. ^ "Microsoft Outlook 4.2445.1". APKMirror. November 21, 2024. Retrieved November 25, 2024.
  8. ^ "Microsoft Outlook (Wear OS) 4.2445.1". APKMirror. November 21, 2024. Retrieved November 25, 2024.
  9. ^ "Microsoft Outlook". App Store. Retrieved November 25, 2024.
  10. ^ "Microsoft Outlook Lite: Email". Google Play. Retrieved November 25, 2024.
  11. ^ "Microsoft Outlook Lite: Email 3.58.0". APKMirror. October 9, 2024. Retrieved November 25, 2024.