Microsoft 365 Copilot
Safe to disable
Microsoft's Office app for Word, Excel, PowerPoint and PDFs, now with Copilot, preinstalled on many Galaxy phones.
Third-party package
Outlook
Safe to disable: com.microsoft.office.outlook Safe to disable Vendor documentation
Microsoft's email and calendar app, preinstalled in the Microsoft folder on many Galaxy phones. It is safe to disable: you lose nothing most people will miss.
What it does
Microsoft Outlook handles Outlook.com, Microsoft 365, Exchange and Gmail accounts with mail, calendar and contacts in one app. Samsung has preinstalled it on Galaxy phones since the Galaxy Note10-era partnership with Microsoft, and recent reports list it on the Galaxy S26 Ultra. It is published on the Play Store and syncs mail in the background once an account is added.
Also shown as Microsoft Outlook.
If you disable it
Nothing beyond the app itself, unless it is the mail app you use.
How to disable it
Settings offers Disable for this package on most phones. Open Settings > Apps > Outlook > Disable.
Disable it (reversible)
adb shell pm disable-user --user 0 com.microsoft.office.outlookTurn it back on
adb shell pm enable com.microsoft.office.outlookThe stronger option removes it for your user only; the original copy stays on the phone and a factory reset brings it back. Prefer disabling: it is easier to undo.
Uninstall for the main user
adb shell pm uninstall -k --user 0 com.microsoft.office.outlookRestore after an uninstall
adb shell cmd package install-existing com.microsoft.office.outlookNew to ADB? Set it up in about ten minutes.
Data and battery
Syncs mail, calendar and contacts with your mail provider through Microsoft's service.
Where it appears
- Made by Microsoft Corporation.
- Android versions: 9 to 16.
- Seen on: Galaxy S26 Ultra, Galaxy Note10.
- Listed on Google Play: Outlook on Google Play.
Questions people ask
What is com.microsoft.office.outlook?
com.microsoft.office.outlook is Outlook. Microsoft's email and calendar app, preinstalled in the Microsoft folder on many Galaxy phones.
Can I disable Outlook?
It is safe to disable: you lose nothing most people will miss. You can do it from Settings or with ADB.
What happens if I disable Outlook?
Nothing beyond the app itself, unless it is the mail app you use.
Sources
- Notebookcheck: Galaxy S26 Ultra criticized for its preinstalled apps (March 2026)Press
- Android Central: Microsoft and Samsung expand partnership on the Galaxy Note 10Press
- Galaxy Store: Outlook listingVendor documentation
- Google Play: Microsoft OutlookGoogle Play listing
- Bayton system app database: com.microsoft.office.outlookCommunity list
- Universal Android Debloater list entryCommunity list
Each source answered when this page was checked on 25 October 2026.
Confidence: Vendor documentation. Backed by the maker's own documentation, the Android source or the Play listing. How we decide a verdict.
Cite this page: https://mysystemapp.com/packages/com.microsoft.office.outlook/ (verified 25 October 2026). Something wrong or out of date? Request a correction.