Microsoft Outlook

Microsoft Outlook
Developer(s)Microsoft Corporation
Initial releaseJanuary 16, 1997
Stable release(s)
Microsoft 365 (Windows)2312 (Build 17126.20132)[1] / January 9, 2024 (2024-01-09)
Microsoft 365 (Mac)16.80 (Build 23121017) / December 12, 2023 (2023-12-12)[2]
One-time purchase (Retail)2021 Version 2311 (Build 17029.20108)[3] / December 12, 2023 (2023-12-12)[4]
One-time purchase (LTSC)2021 Version 2108 (Build 14332.20615) / December 12, 2023 (2023-12-12)[3]
Operating systemWindows, macOS
TypePersonal information manager
LicenseTrialware
Websitehttps://www.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:

  • Outlook on the web, formerly Outlook Web App, a web version of Microsoft Outlook, included in Microsoft 365, Exchange Server, and Exchange Online (domain outlook.office365.com)
  • Outlook for Windows, a new, free Outlook application that will be preloaded with Windows 11 from 2024
  • Outlook Mobile, a mobile app version of Outlook
  • Outlook.com, formerly Hotmail, a free personal email service offered by Microsoft alongside a webmail client (domain outlook.live.com)
  1. ^ "Release notes for Current Channel". Microsoft. Retrieved January 10, 2024.
  2. ^ "Update history for Office for Mac". Microsoft Docs. December 29, 2023.
  3. ^ a b "Update history for Office LTSC 2021 and Office 2021". December 29, 2023.
  4. ^ Warren, Tom. "Microsoft Office 2021 will launch on October 5th". The Verge. Retrieved October 5, 2021.

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