Cancel a Microsoft 365 subscription - Microsoft Support
This page is for Microsoft 365 Basic, Microsoft 365 Personal, and Microsoft 365 Family subscriptions only. For help with other subscriptions purchased through Microsoft see Cancel a Microsoft subscription. If you purchased a Microsoft subscription from Google Play or the Apple app store, contact their customer support for cancellation or refund.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.
Get started with Python in Excel - Microsoft Support
Important: The row-major calculation order also applies across worksheets within a workbook and is based on the order of the worksheets within the workbook.If you use multiple worksheets to analyze data with Python in Excel, make sure to include data and any variables storing data in cells and worksheets preceding the cells and worksheets that analyze that data.
Applies To: Excel for Microsoft 365
Open and use a shared mailbox in Outlook - Microsoft Support
Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
Change your two-step verification method and settings
Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification
Excel functions (by category) - Microsoft Support
Lists all Excel functions by their category, such as Logical functions or Text functions.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Defragment your Windows 10 PC - Microsoft Support
Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.
How to open Registry Editor in Windows 10 - Microsoft Support
There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.
Install Office 2010 - Microsoft Support
32-bit install. Choose between 32-bit or 64-bit installation. Insert the Office 2010 disc into the drive. If the setup wizard doesn't start automatically, click the file folder icon on the taskbar or press ⊞ Win + E keys on your keyboard, right-click the disc drive icon, select Open, and then double-click setup.exe.
Change or reset your PIN - Microsoft Support
Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.