You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM (A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

Check the Xbox services, games, and apps for any service outages.

How to check if your device meets Windows 11 system requirements after changing device hardware. Learn how to use the PC Health Check app to help you improve your device performance.

Under the Xbox Elite Wireless Controller Series 2, select Configure. Create a new profile by selecting New profile, give your profile a name, then select the Menu button . Edit an existing profile by selecting it and then the Edit button . Select the Color tab in the menu.

If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost] [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost\Account] "SupportedTypes"

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.