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Contact Us - Microsoft Support
Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.
Excel help & learning
Turn your data into insights. List of all Excel functions available. VLOOKUP function. IF function. Create a drop-down list. Combine text from two or more cells. Freeze panes to lock rows & columns. Create a PivotTable to analyze worksheet data. Design the layout and format of a PivotTable.
Change or reset your password - Microsoft Support
Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.
Repair apps and programs in Windows - Microsoft Support
Select Start > Settings > Apps > Apps & features. Apps & features in Settings. Select the More icon next to the app you want to fix. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available. If it isn't available or doesn't fix the problem, select Reset.
INDEX function - Microsoft Support
Syntax. INDEX (array, row_num, [column_num]) The array form of the INDEX function has the following arguments: array Required. A range of cells or an array constant. If array contains only one row or column, the corresponding row_num or column_num argument is optional. If array has more than one row and more than one column, and only row_num or ...
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
Virus & threat protection in Windows Security - Microsoft Support
Curate your notifications. Windows Security will send notifications about the health and safety of your device. You can turn these notifications on, or off, on the notifications page. In Virus & threat protection, under Virus & threat protection settings, select Manage settings, scroll down to Notifications and select Change notification settings.
Applies To: Microsoft account dashboard
Fix microphone problems - Microsoft Support
Make sure that your microphone or headset is the system default recording device. Here's how to do this in Windows 11: Select Start > Settings > System > Sound. In Input, go to Choose a device for speaking or recording, and select the device you want. To test your microphone, speak into it. In Volume, make sure the blue bar moves to make sure ...
Feature Update through Windows 10, version 20H2 Enablement Package
The enablement package is a great option for installing a scoped feature update like Windows 10, version 20H2 as it enables an update from version 2004 to version 20H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now. For version 2004 devices that receive updates directly from Windows ...
OneDrive won't start - Microsoft Support
Before you modify it, back up the registry for restoration in case problems occur. Navigate to the following registry key: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\OneDrive. Check the following key: DisableFileSyncNGSC = DWORD:1. In order to sync with OneDrive for work or school, the DisableFileSyncNGSC key must be removed or the ...
Applies To: SharePoint in Microsoft 365
Lock or unlock specific areas of a protected worksheet
If prompted, enter the password to unprotect the worksheet. Select the whole worksheet by selecting Select All. On the Home tab, select the Font Settings popup launcher. You can also press Ctrl+Shift+F or Ctrl+1. In the Format Cells dialog box, select the Protection tab and uncheck the Locked box and then select OK.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016