You can personalize the color or accent color for window title bars and borders, the Start button, or the taskbar. The Dark mode has colors that are designed to work well in a low-lit environment. This option is for the Start menu, taskbar, and action center.

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Safe senders and recipients. Safe senders are people and domains you always want to receive email messages from. Safe recipients are recipients that you don't want to block, usually groups that you’re a member of.

Type three of the characters shown below, and then press Enter. The line is inserted for the full width of the page. When inserted into a column, the line is inserted to match the width of the column.

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Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

This article is for Outlook.com. If you're using Outlook for Windows, see Fixes or workarounds for recent issues in Outlook for Windows.. If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal.. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues.