You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab. Select an add-in you want to view the details for and right-click to select Add-in details option. Click a heading below for more information.

Follow these steps: If the worksheet is protected, do the following: On the Review tab, select Unprotect Sheet (in the Protect group). Select Protect Sheet to change to Unprotect Sheet when a worksheet is protected. If prompted, enter the password to unprotect the worksheet.

Overview of Excel tables. Apply data validation to cells. Lock or unlock specific areas of a protected worksheet. You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Conditional formatting can help make patterns and trends in your data more apparent. To use it, you create rules that determine the format of cells based on their values, such as the following monthly temperature data with cell colors tied to cell values.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

Getting ready for the Windows 11 upgrade. 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.

Microsoft 365 Customer Service and Support. The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing ...

Schedule a message for later. Note: This feature is not available for IMAP or POP accounts. While composing a message, select the dropdown next to Send and select Schedule send. Select one of the default options, then select Send or choose a custom time and then select Send.