Restrict changes in Excel. On the Review tab, in the Protect group, review the following protection options:. Protect Sheet Protect the worksheet and contents of locked cells.

For Windows: If you are trying to co-author, check the file name of the file and make sure it is in either .xlsx, .xlsm, or .xlsb format.If the file is in another format, go to File > Save As > Browse > Save as type and choose the .xlsx, .xlsm, or .xlsb format.. For Mac: If you are trying to co-author, check the file name of the file and make sure it is in either .xlsx, .xlsm, or .xlsb format.

Edit shapes using Control Points, and easily apply themes to create modern diagrams. Export diagrams in SVG format with an option to include or exclude their Visio data. Navigate through commands with Tell Me integration. Use your finger or pen to draw and annotate on a touch-enabled device

Learn how to turn on automatic forwarding in Outlook.com. To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

Surface Pro (5th Gen) and Windows 10. Surface Pro (5th Gen) comes with Windows 10 Pro edition. If you're not sure which Surface model you're using, see Which Surface model do I have?. Diagrams of Surface Pro (5th Gen)

Try it! Use page breaks to control where a page ends and where a new page begins. Insert a page break. Place the cursor where you want to start a new page.

You can use your iPad’s Control Center to quickly turn Dark Mode on or off at any time. To quickly turn Dark Mode on or off at any time, pull down from the top-right corner of your iPad, and then press and hold the brightness control. At the bottom of the brightness control, tap Dark Mode to turn Dark Mode on or off.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Important: This article contains information on how to lower security settings or disable security features as a "workaround" for a specific problem.You should evaluate the risks associated with such workarounds in your particular environment. Before implementing a workaround, take appropriate additional steps to help protect the computer.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.