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New Outlook for Windows app

Slipstick Systems

Microsoft replacing windows Mail with a new Outlook app. It is built using the same scripts as Outlook on the web, but in an app framework. It supports multiple accounts, currently only Outlook.com, Microsoft 365 Work or School, and IMAP accounts. Microsoft 365 Work or School accounts must have a Microsoft 365 software subscription on their account to use new Outlook for Windows or new Outlook for Mac.

New Outlook for Windows app was last modified: May 14th, 2024 by Diane Poremsky
Outlook classic on the start menu

Classic Outlook Missing from Computers

After purchasing a new computer, users discovered the Office installation is missing Outlook.

Use Classic Outlook, not New Outlook

Microsoft has two "new" Outlooks, one for MacOS and one for Windows. How to switch back to classic Outlook and disable the Try new Outlook switch.

classic Outlook and new Outlook logos

Classic Outlook is NOT Going Away in 2026

While new Outlook s going to be the default Outlook app beginning in early 2025, users can switch back to classic Outlook. Classic Outlook will be supported until at least 2029.

Import eml to new outlook

New Outlook: Show To, CC, BCC in Replies

When you Reply or Reply All in new Outlook, the CC line is not visible, even if the message was CC’d to others. If you reply all, you may only see one name and "+ Others". I'll show you how to view all addresses and the CC and BCC fields.

Import EML message format into new Outlook

Import EML Files into New Outlook

How to import EML files into new Outlook for Windows.

Add PST files to new Outlook

Opening PST files in New Outlook

How to open a PST file in new Outlook and the current limitations.

Reset New Outlook for Windows profile

Reset the New Outlook Profile

When you switch on the new Outlook, it pulls accounts in from your Outlook desktop profile. I'll show you how to clear the profile and create a new profile.

choose save from the menu

Save Messages in New Outlook

Learn how to save messages to the hard drive when using new Outlook app or Outlook on the web.

Allow external content from safe senders

Block External Content in New Outlook

How to block external content in the new Outlook that replaces Windows Mail app.

Ads in New Outlook

When you have a Microsoft 365 subscription, you should not see ads in your message list in new Outlook if the account, if the account with the subscription is set as the primary account.

Suggested accounts in new Outlook

Removing Suggested Accounts in New Outlook

Until Microsoft adds a straightforward way to delete addresses from the suggested accounts list, you can try the steps below to remove addresses from the Suggested accounts list.

Public folder favorite in new Outlook

Use Public Folders In new Outlook

How to access Exchange Public Folders in new Outlook for Windows (and Outlook on the web.)

connected experiences

Spellcheck and Microsoft Editor not working in new Outlook

How to fix the Microsoft Editor and spellcheck not working in new Outlook for Windows.

Gmail All Mail and Outlook’s Archive folder

Using Gmail's All Mail folder in new Outlook for Windows or classic Outlook for Windows. In the new Outlook, there is a folder named Archive and it appears to contain all of the messages in the All Mail folder in Gmail. Is new Outlook syncing All Mail?

Minimize new Outlook to tray

Automatically Open New Outlook when Windows boots

How to enable New Outlook for Windows to run automatically when you boot the computer.

Enable or Disable Yellow Highlight on Flagged Messages

Outlook on the web introduced highlighting flagged messages, then the option appeared in Outlook 365 subscriptions. Now it's in Outlook 2019 and 2021. Outlook for Windows A recent update for Office 2019 enabled the option to display a yellow background on flagged messages,but did not enable the option to turn it off. Oops. Users with  

account not supported in Outlook for Windows

"This account is not supported in Outlook" error message

New Outlook error: This account is not supported in Outlook due to the license provided by your work or school. Try to login with another account or go to Outlook on the web.

try new outlook

New Outlook for Windows

Office 365 subscribers in the beta channel and with an Office 365 business account in their profile, will have a switch in the upper right corner for Try the New Outlook.

Swipe options

Leave Messages Unread

How to change Outlook's Mark as Read settings and manually mark as read or unread.

Microsoft 365

Using Copilot Pro in Outlook

Using Microsoft's Copilot Pro with new Outlook and other Office apps.

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  • Open Outlook Templates using PowerShell
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  • Google Workspace and Outlook with POP Mail
  • Import EML Files into New Outlook
  • Opening PST files in New Outlook
  • New Outlook: Show To, CC, BCC in Replies
  • Insert Word Document into Email using VBA
  • Delete Empty Folders using PowerShell
  • Warn Before Deleting a Contact
  • Classic Outlook is NOT Going Away in 2026
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Recent Bugs List

Microsoft keeps a running list of issues affecting recently released updates at Fixes or workarounds for recent issues in classic Outlook (Windows).

For new Outlook for Windows: Fixes or workarounds for recent issues in new Outlook for Windows .

Outlook for Mac Recent issues: Fixes or workarounds for recent issues in Outlook for Mac

Outlook.com Recent issues: Fixes or workarounds for recent issues on Outlook.com

Office Update History

Update history for supported Office versions is at Update history for Office

Outlook Suggestions and Feedback

Outlook Feedback covers Outlook as an email client, including Outlook Android, iOS, Mac, and Windows clients, as well as the browser extension (PWA) and Outlook on the web.

Outlook (new) Feedback. Use this for feedback and suggestions for Outlook (new).

Use Outlook.com Feedback for suggestions or feedback about Outlook.com accounts.

Other Microsoft 365 applications and services




New Outlook Articles

Open Outlook Templates using PowerShell

Count and List Folders in Classic Outlook

Google Workspace and Outlook with POP Mail

Import EML Files into New Outlook

Opening PST files in New Outlook

New Outlook: Show To, CC, BCC in Replies

Insert Word Document into Email using VBA

Delete Empty Folders using PowerShell

Warn Before Deleting a Contact

Classic Outlook is NOT Going Away in 2026

Newest Code Samples

Open Outlook Templates using PowerShell

Count and List Folders in Classic Outlook

Insert Word Document into Email using VBA

Warn Before Deleting a Contact

Use PowerShell to Delete Attachments

Remove RE:, FWD:, and Other Prefixes from Subject Line

Change the Mailing Address Using PowerShell

Categorize @Mentioned Messages

Send an Email When You Open Outlook

Delete Old Calendar Events using VBA

Repair PST

Convert an OST to PST

Repair damaged PST file

Repair large PST File

Remove password from PST

Merge Two Data Files

Sync & Share Outlook Data

  • Share Calendar & Contacts
  • Synchronize two computers
  • Sync Calendar and Contacts Using Outlook.com
  • Sync Outlook & Android Devices
  • Sync Google Calendar with Outlook
  • Access Folders in Other Users Mailboxes

Diane Poremsky [Outlook MVP]

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