Outlook for Windows

Other names| New Outlook, Outlook (new)
Developer(s)| Microsoft
Initial release| September 21, 2023; 2 years ago (2023-09-21)
Stable release|

20250620014.12 / June 27, 2025; 10 months ago (2025-06-27)[1]

Written in| Microsoft Edge WebView2
Operating system| Windows 10 and later
Predecessor| Mail, Calendar, People[2]
Type| Personal information manager
License| Proprietary commercial cloud software
Website| products.office.com/outlook/outlook-for-windows

Outlook for Windows (also referred to as Outlook (new) or New Outlook) is an email client and personal information manager developed by Microsoft. It is a replacement for the preloaded Windows Mail, Calendar apps and the contact management People app on Windows 10 and 11[3] and is preinstalled with all versions of Windows 11 since October 2023 (beginning with version 23H2) and Windows 10 since February 2025.[4]

## Contents

* 1 History
* 2 Features
* 3 Controversy
* 4 See also
* 5 References
* 6 External links

## History

Outlook for Windows was outlined under Microsoft's 'One Outlook' plan, with testing starting in 2022.[5] In September 2023, Microsoft started transitioning users of the previous apps to the new Outlook.[6] It was released on the Microsoft Store that month, although it remained in preview status for enterprise and education users.[7]

## Features

Outlook for Windows is a web app based on the WebView2 runtime,[8][9] and builds on features found in Outlook on the web.[6] It still lacks some features from Microsoft Outlook (which Microsoft refers to as Classic Outlook in this context[10]), such as support for .pst files, which is due to be added at a future date.[11][7]

The free version includes advertising and allows IMAP accounts to be set up.[12] It does not support iCloud aliases, but it is able to work offline.[13][14]

## Controversy

Outlook for Windows has attracted controversy surrounding the decision to synchronize emails from non-Microsoft accounts with the Microsoft cloud, rather than downloading the email to local devices as previous Outlook clients have done. Concerns have been raised around the privacy implications of such a system.[15]

## See also

* Comparison of email clients
* List of Microsoft Windows components

## References

1. ↑ "Release notes for Outlook for Windows (new)". June 23, 2025. https://learn.microsoft.com/en-us/officeupdates/release-notes-outlook-new.
2. ↑ "Windows Mail, Calendar and People are becoming Outlook", Microsoft Support (Microsoft), 2023-06-08, https://support.microsoft.com/en-us/office/windows-mail-calendar-and-people-are-becoming-outlook-773ecb94-5b16-4155-96e1-bc9afdc08e31_BizbarLearnMore
3. ↑ "Getting started with the new Outlook for Windows". Microsoft Support. Microsoft. 2022-05-17. https://support.microsoft.com/en-us/office/getting-started-with-the-new-outlook-for-windows-656bb8d9-5a60-49b2-a98b-ba7822bc7627.
4. ↑ "Control the installation and use of new Outlook". May 7, 2025. https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/get-started/control-install.
5. ↑ "Microsoft has started testing the One Outlook revamp publicly" (in en). 2023-10-04. https://www.neowin.net/news/microsoft-has-started-testing-the-one-outlook-revamp-publicly/.
6. ↑ 6.0 6.1 "Microsoft offers an update on the release of the new Outlook for Windows" (in en). 2023-10-04. https://www.neowin.net/news/microsoft-offers-an-update-on-the-release-of-the-new-outlook-for-windows/.
7. ↑ 7.0 7.1 "New Outlook for Windows Now Available to Download on the Microsoft Store". 2023-09-25. https://petri.com/new-outlook-for-windows-11-devices/.
8. ↑ "Overview of the new Outlook for Windows - Deploy Office". https://learn.microsoft.com/en-us/deployoffice/outlook/overview-new-outlook.
9. ↑ Joos, Thomas (2024-02-05). "How to get started with Windows' free 'new Outlook' app". https://www.pcworld.com/article/2225109/how-to-get-started-with-windows-free-new-outlook-app.html.
10. ↑ "Add an email account to Outlook - Microsoft Support". https://support.microsoft.com/en-us/office/add-an-email-account-to-outlook-6e27792a-9267-4aa4-8bb6-c84ef146101b?ui=en-us&rs=en-us&ad=us#PickTab=New_Outlook.
11. ↑ "Microsoft 365 Roadmap | Microsoft 365" (in en-us). https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=Outlook,In development,Rolling out&searchterms=pst.
12. ↑ "Add an email account to Outlook for Windows - Microsoft Support". https://support.microsoft.com/en-gb/office/add-an-email-account-to-outlook-for-windows-6e27792a-9267-4aa4-8bb6-c84ef146101b.
13. ↑ "Work offline in Outlook - Microsoft Support". https://support.microsoft.com/en-gb/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9.
14. ↑ "Troubleshooting Email to Print issues when using IMAP OAuth for Microsoft 365, Office 365, Outlook.com" (in en). https://www.papercut.com/kb/Main/OAuth365EmailToPrintTroubleshooting/.
15. ↑ Alexander, Elliot (2023-11-27). "Microsoft's new Outlook client quietly moves your email to the cloud" (in en). https://www.xda-developers.com/privacy-implications-new-microsoft-outlook/.

## External links

* Official website

* v
* t
* e

Email clients

Free software|

| Current|

* aerc
* Alpine
* Balsa
* Citadel/UX
* Claws Mail
* Cleancode eMail
* Cone
* Evolution
* fetchmail
* fdm
* Geary
* getmail
* GNUMail
* Gnus
* Gnuzilla
* IMP
* KMail
* Mahogany
* Mailpile
* Mailx
* Mailx (Heirloom Project)
* Modest
* Mozilla Thunderbird
* Mulberry
* Mutt
* nmh / MH
* OfflineIMAP
* Roundcube
* SeaMonkey
* SquirrelMail
* Sylpheed
* Trojitá
* YAM
* Zimbra

|

Discontinued|

* Arachne
* Beonex Communicator
* BlitzMail
* Classilla
* Columbia MM
* Elm
* Eudora
* FossaMail
* Hula
* Mailody
* Mozilla Mail & Newsgroups
* Nylas N1
* Spicebird

Proprietary|

| Freeware|

* eM Client
* EmailTray
* Foxmail
* i.Scribe
* Mailbird
* Opera Mail
* Spark
* TouchMail

|

Retail|

* Hiri
* Bloomba/WordPerfect Mail
* Newton
* IBM Notes
* InScribe
* Apple Mail
* Mail (Windows)
* Microsoft Outlook
* Novell GroupWise
* Airmail
* Postbox

Shareware|

* Becky!
* Eureka Email
* Forté Agent
* GyazMail
* The Bat!

Donationware|

* Pegasus Mail

Discontinued|

* Mail
* Claris Emailer
* Courier
* Cyberdog
* Cyberjack
* Embrowser
* Mailbox
* Microsoft Entourage
* Microsoft Internet Mail and News
* MINUET
* Netscape Mail
* Netscape Messenger 9
* NeXTMail
* Outlook Express
* Pine
* Pocomail
* POPmail
* Sparrow
* Turnpike
* WebSpyder
* Windows Live Mail
* Windows Mail
* Windows Messaging

Related technologies|

* Extended SMTP
* LMTP
* IMAP
* POP
* Push-IMAP
* SMAP
* SMTP
* UUCP

Related topics|

* Email
* Unicode and email

* Category
* Comparison

* v
* t
* e

Calendaring software

* 30 Boxes
* Any.do
* Artist Growth
* Cal (Unix)
* Calendar (Apple)
* Calendar (Windows)
* Cozi Central
* DAViCal
* Hiri
* EM Client
* EProductivity
* Evolution
* Google Calendar
* Holiline Reminder
* Ical (Unix)
* Lanyrd
* Mail (Windows)
* Meeting Maker
* Microsoft Outlook
* Desktop
* Mobile
* Web
* Mozilla Calendar Project
* Lightning
* Sunbird
* Rainlendar
* Remember the Milk
* SabreDAV
* Sun Java System Calendar Server
* Oracle Communications Unified Communications Suite
* Upcoming
* Yahoo! Calendar
* Windows Live Mail
* wmCalClock

Discontinued|

* Chandler
* Ecco Pro
* HotJava Views
* Microsoft Entourage
* MobileMe
* Now Up-to-Date
* Plan
* Sunrise Calendar
* Tempo
* Windows Mobile Device Center

* v
* t
* e

Microsoft Windows components

Management
tools|

* App Installer
* Command Prompt
* Control Panel
* Applets
* Device Manager
* Disk Cleanup
* Disk Defragmenter
* Driver Verifier
* DxDiag
* Event Viewer
* IExpress
* Management Console
* Netsh
* Performance Monitor
* Recovery Console
* Resource Monitor
* Settings
* Sysprep
* System Configuration
* System File Checker
* System Information
* System Policy Editor
* System Restore
* Task Manager
* Windows Error Reporting
* Windows Ink
* Windows Installer
* PowerShell
* Windows Update
* Windows Insider
* WinRE
* WMI

Apps|

* Alarms & Clock
* Calculator
* Calendar
* Camera
* Character Map
* Cortana
* Edge
* Fax and Scan
* Feedback Hub
* File Manager
* Get Help
* Groove Music
* Magnifier
* Mail
* Messaging
* Maps
* Media Player
* Movies & TV
* Mobility Center
* Money
* News
* Narrator
* Notepad
* OneDrive
* OneNote
* Paint
* Paint 3D
* People
* Phone Companion
* Photos
* Quick Assist
* Snipping Tool
* Speech Recognition
* Skype
* Sports
* Sticky Notes
* View 3D
* Store
* Tips
* Voice Recorder
* Wallet
* Weather
* Windows To Go
* Windows Story Remix
* WordPad
* Xbox Console Companion
* Your Phone

Shell|

* Action Center
* Aero
* AutoPlay
* AutoRun
* ClearType
* Explorer
* Search
* Indexing Service
* IFilter
* Saved search
* Namespace
* Special folder
* Start menu
* Taskbar
* Task View
* Windows Spotlight
* Windows XP visual styles

Services|

* Service Control Manager
* BITS
* CLFS
* Multimedia Class Scheduler
* Shadow Copy
* Task Scheduler
* Error Reporting
* Wireless Zero Configuration

File systems|

* CDFS
* DFS
* exFAT
* IFS
* FAT
* NTFS
* Hard link
* Junction point
* Mount Point
* Reparse point
* Symbolic link
* TxF
* EFS
* ReFS
* UDF

Server|

* Domains
* Active Directory
* DNS
* Group Policy
* Roaming user profiles
* Folder redirection
* Distributed Transaction Coordinator
* MSMQ
* Windows Media Services
* Rights Management Services
* IIS
* Remote Desktop Services
* WSUS
* SharePoint
* Network Access Protection
* PWS
* DFS Replication
* Remote Differential Compression
* Print Services for UNIX
* Remote Installation Services
* Windows Deployment Services
* System Resource Manager
* Hyper-V
* Server Core

Architecture|

* Architecture of Windows NT
* Startup process
* NT
* Vista
* CSRSS
* Desktop Window Manager
* Portable Executable
* EXE
* DLL
* Enhanced Write Filter
* Graphics Device Interface
* hal.dll
* I/O request packet
* Imaging Format
* Kernel Transaction Manager
* Library files
* Logical Disk Manager
* LSASS
* MinWin
* NTLDR
* Ntoskrnl.exe
* Object Manager
* Open XML Paper Specification
* Registry
* Resource Protection
* Security Account Manager
* Server Message Block
* Shadow Copy
* SMSS
* System Idle Process
* USER
* WHEA
* Win32 console
* Winlogon
* WinUSB

Security|

* Security and Maintenance
* AppLocker
* BitLocker
* Credential Guard
* Data Execution Prevention
* Family Safety
* Kernel Patch Protection
* Mandatory Integrity Control
* Protected Media Path
* User Account Control
* User Interface Privilege Isolation
* Windows Defender
* Windows Firewall

Compatibility|

* COMMAND.COM
* Virtual DOS machine
* Windows on Windows
* WoW64
* Windows Subsystem for Linux

API|

* Active Scripting
* WSH
* VBScript
* JScript
* COM
* ActiveX
* ActiveX Document
* COM Structured storage
* DCOM
* OLE
* OLE Automation
* Transaction Server
* DirectX
* .NET Framework
* Universal Windows Platform
* Windows Mixed Reality
* Windows Runtime
* WinUSB

Games|

* Solitaire Collection

Discontinued|

| Games|

* 3D Pinball
* Chess Titans
* FreeCell
* Hearts
* InkBall
* Hold 'Em
* Purble Place
* Reversi
* Spider Solitaire
* Solitaire
* Tinker

|

Apps|

* ActiveMovie
* Anytime Upgrade
* Address Book
* Backup and Restore
* Cardfile
* CardSpace
* CD Player
* Contacts
* Desktop Gadgets
* Diagnostics
* DriveSpace
* DVD Maker
* Easy Transfer
* Fax
* Food & Drink
* Help and Support Center
* Health & Fitness
* HyperTerminal
* Internet Explorer
* Journal
* Media Center
* Meeting Space
* Messaging
* Messenger
* Mobile Device Center
* Movie Maker
* MSN Dial-up
* NetMeeting
* NTBackup
* Outlook Express
* Travel
* Photo Gallery
* Photo Viewer
* Program Manager
* Steps Recorder
* Syskey
* WinHelp
* Write

Others|

* ScanDisk
* File Protection
* Media Control Interface
* Next-Generation Secure Computing Base
* POSIX subsystem
* Interix
* Video for Windows
* Windows SideShow
* Windows Services for UNIX
* Windows System Assessment Tool
* WinFS

Spun off to
Microsoft Store|

* DVD Player
* Hover!
* Mahjong
* Minesweeper

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Original source: https://en.wikipedia.org/wiki/Outlook for Windows. Read more

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