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Ablebits
ablebits.com › ablebits blog › outlook › new outlook › how to update outlook for windows: classic and new app
How to update Outlook for Windows: classic and new app
August 14, 2024 - Learn how to update the new Outlook for Windows and the classic desktop application (Outlook 365 through 2016). Find solutions for common issues that may prevent Outlook from updating.
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Microsoft Support
support.microsoft.com › en-us › office › switch-to-new-outlook-for-windows-f5fb9e26-af7c-4976-9274-61c6428344e7
Switch to new Outlook for Windows - Microsoft Support
You can choose to switch early on or may choose to experience the series of notifications before being automatically switched to the new Outlook · Starting January 2025 and over the following months, if you are a classic Outlook user on the Current Channel with a Business plan, you will ...
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Microsoft Support
support.microsoft.com › en-us › office › getting-started-with-the-new-outlook-for-windows-656bb8d9-5a60-49b2-a98b-ba7822bc7627
Getting started with the new Outlook for Windows - Microsoft Support
Note: Limitation: The new Outlook provides only limited support for public folders. You should continue using the classic Outlook for window if you depend heavily on public-folder features such as creating, modifying, or deleting public folders in Outlook.
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Microsoft Support
support.microsoft.com › en-us › office › what-version-of-outlook-do-i-have-b3a9568c-edb5-42b9-9825-d48d82b2257c
What version of Outlook do I have? - Microsoft Support
To find out whether your Outlook for Windows is the new or classic version, look for the Settings in the top right corner. If you have the Settings button, you have the new Outlook.
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Microsoft Support
support.microsoft.com › en-us › office › feature-comparison-between-new-outlook-and-classic-outlook-de453583-1e76-48bf-975a-2e9cd2ee16dd
Feature comparison between new Outlook and classic Outlook - Microsoft Support
We've put together a feature coverage matrix to help you and your teams understand what's available and coming soon, compared to what exists today in the classic Outlook experience. Note: Some features are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription. We are actively listening to your feedback and will make updates and changes to our feature roadmap based on what you tell us.
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Microsoft Support
support.microsoft.com › en-us › office › run-new-outlook-and-classic-outlook-side-by-side-a624c36d-c50f-43bc-9c8b-dd17b5690ffb
Run new Outlook and classic Outlook side-by-side - Microsoft Support
Microsoft encourages you to migrate to the new Outlook but recognizes that some may need to run both versions side-by-side during the transition. If there are features or workflows you use that aren't available in new Outlook as yet, you can toggle back to classic Outlook for Windows.
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Reddit
reddit.com › r/outlook › how to go back to outlook classic?
r/Outlook on Reddit: How to go back to Outlook classic?
April 30, 2025 -

Woke up this morning to find that Outlook has updated to the new, awful 2024 version as much as I've tried to stop it doing so. Is there anyway to revert back? I've searched around and the only options are searching for Classic in the Windows search (it is no longer there) or pressing the toggle to go back to Classic (there is no toggle/radio button for this).

I'm just trying to do work and now have to work around this absolute POS.

Edit: I *may* have found a way. After much searching I came across a forum here: https://answers.microsoft.com/en-us/outlook_com/forum/all/how-can-i-install-the-older-version-of-outlook/12cc3cbf-9f27-4185-81d3-352713146a7a

It advises that you can download Outlook Classic directly here https://go.microsoft.com/fwlink/?linkid=2276500&clcid=0x409

Or from the app store here https://apps.microsoft.com/detail/xp9mhd8pgh9n47?hl=en-GB&gl=GB

I'm using Microsoft Office Home and Student 2016 for reference, ymmv.

Here's to putting off the switch to the god-awful update for a little while longer....

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Robert 365
robert365.com › home › news › latest updates, features, fixes and issues for classic outlook (mid-december 2025)
Latest updates, features, fixes and issues for Classic Outlook (mid-December 2025) - Robert 365
5 days ago - In December, Classic Outlook for Windows received 1 security update and 13 were issued in total for all Office applications. All Update Channels received a few fixes as well though some older issues remain unresolved. A fix for a specific issue with Outlook running on Windows 10 is now rolling out to the Monthly Channel.
Find elsewhere
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Microsoft Learn
learn.microsoft.com › en-us › microsoft-365-apps › outlook › get-started › deployment-new-outlook
Deployment overview for the new Outlook for Windows | Microsoft Learn
The new Outlook is currently offered as a preview upgrade to classic Outlook for Windows through a toggle. Users can opt in to download the installer and switch to the new experience and can choose to migrate settings and install add-ins from ...
Top answer
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Despite overwhelming claims that you can revert to the classic Outlook, that is not true in all cases. I recently loaded Office 365. The version of Office under the covers is 16. My husband did the same a number of months ago and his version "under the covers" is 15. None of what anyone has suggested for accessing Classic Outlook has been successful because no other version of Outlook was loaded when I installed Office 365. There is no file menu, no toggle switch and no distinction app icon wise for New Outlook. It's just Outlook with the new icon but no "New" anywhere on the icon. I also searched for Outlook besides the one that came with 365 and there is nada. I posed this dilemma to Google and their AI came back with that Microsoft was pushing the newer version of Outlook and was not making the classic version available anymore.

With that being said, I did recently have an issue with Office on my PC and had to uninstall it prior to installing Office 365. I am wondering if the ability to revert is only available if a prior version of Office (Outlook) is detected. Either way I have no choice but to use what is there. I did waste a considerable amount of time trying desperately to get back to my beloved classic Outlook. If not having a prior version of Outlook installed meant you just got "new" Outlook, it would be helpful if that information was available in an internet search.

I hope this post helps others who may find themselves in a similar situation.

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Please can someone help.

There isn't a toggle switch, I can't get the functionality of the previous version of outlook back.

I really don't like the new version of outlook.

Please can you get ALL the removed functionality back

Please also make it so copilot doesn't keep appearing at the beginning of where I'm working - if I want to use copilot I'll look for it.

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Microsoft Community
techcommunity.microsoft.com › microsoft community hub › communities › products › outlook › outlook
Outlook for Windows is Getting Rebranded to "Outlook Classic" | Microsoft Community Hub
The new name will apply to version 2407 and above. The support documentation will reflect this change, with the "New Outlook" tab taking precedence over the "Outlook Classic" tab. These updates will not impact the app's status or support, and no action is needed from administrators.
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Directions on Microsoft
directionsonmicrosoft.com › home › here's another way to keep using classic outlook (until at least 2029)
Here's another way to keep using classic Outlook (until at least 2029) - Directions on Microsoft
April 19, 2025 - Microsoft’s blog post also mentions ... until at least 2029.” (“Classic Outlook” is the new way Microsoft is referring to the existing Win32 Outlook app for Windows.)...
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Colligo
colligo.com › home › new outlook vs old outlook: key differences explained
New Outlook vs Old Outlook: Main Differences Explained
May 14, 2025 - A breakdown of key differences between new Outlook vs old Outlook, the pros & cons of each and how Email Manager supports either version.
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Weill Cornell
its.weill.cornell.edu › news › outlook-update-continue-using-classic-version-for-best-performance
Outlook update: Continue using Classic version for best performance | Information Technologies & Services
Windows users with Microsoft Outlook’s desktop app may have noticed a new prompt on their screen to try the new version of Outlook. At this time, ITS is recommending that you do not transition to New Outlook in order to retain optimal performance from your mail application.
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Reddit
reddit.com › r/sysadmin › it has started, user opened outlook and it is now new outlook, and outlook classic is no longer installed.
r/sysadmin on Reddit: It has started, user opened Outlook and it is now New Outlook, and Outlook Classic is no longer installed.
January 23, 2025 -

Not able to toggle back because Outlook Classic was uninstalled.
After some research, we were able to reinstall Outlook Classic using this link:
https://apps.microsoft.com/detail/xp9mhd8pgh9n47?hl=en-US&gl=US

Also created a GPO and set up this registry key:
reg.exe ADD "HKCU\SOFTWARE\Policies\Microsoft\Office\16.0\Outlook\Preferences" /v NewOutlookMigrationUserSetting /t REG_DWORD /d 0 /f

https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/get-started/control-install

Also ran this on the user's PC:
reg.exe ADD "HKCU\SOFTWARE\Microsoft\Office\16.0\Outlook\Preferences" /v UseNewOutlook /t REG_DWORD /d 0 /f

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Microsoft Learn
learn.microsoft.com › en-us › answers › questions › 4685623 › classic-outlook-to-new-outlook-(365)-update
Classic Outlook to New Outlook (365) update - Microsoft Q&A
For this problem, I suggest you ... with the name Outlook Classic, if you open Outlook Classic after opening Outlook New, you can find the new version in the upper right corner of Outlook New....
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Directions on Microsoft
directionsonmicrosoft.com › home › microsoft to support classic outlook for windows (for some) until at least 2029
Microsoft to support classic Outlook for Windows (for some) until at least 2029 - Directions on Microsoft
April 19, 2025 - Update (March 19): Microsoft announced that Office LTSC 2024 and Office 2024 will be available later this calendar year and both will get five years of support. Officials also said there will be at least one more perpetual version of Office after 2024. “Outlook classic could disappear from Microsoft 365 Apps for Enterprise ...