If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

You can use any phone number that can receive text messages; it doesn’t need to be associated with your account. We won't use or give out the phone number, and the code sent to it will expire after 10 minutes.

1. On your computer keyboard, press the Windows key and R at the same time to open the Run dialog box.

Note: The TEXT function converts numbers to text, which may make it difficult to reference in later calculations.It’s best to keep your original value in one cell, and then use the TEXT function in another cell. Then, if you need to build other formulas, always reference the original value and not the TEXT function result.

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Open User Accounts by clicking the Start button , clicking Control Panel, clicking User Accounts and Family Safety, clicking User Accounts, and then clicking Manage another account .. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.