Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

OneDrive.You can use OneDrive to sync both your work or school files and personal files. The storage remains separate, so you can't sync work or school folders to your OneDrive personal folders, but you can copy or drag and drop files from one to another.

Office for the web programs are included in most Microsoft 365 plans. Click a document, or use the three-dot Open Menu in a library to open Word, Excel, PowerPoint, OneNote, and PDF files in your browser. Outlook attachments and Lync Web App meeting notes also open in Office for the web.

Get Microsoft Project help and training content. Find training courses, support, and additional resources for Microsoft Project.

To turn on contrast themes, select the theme you want from the Contrast themes drop-down menu, and then select the Apply button. Windows may display a “Please wait” screen for a few seconds, after which the colors on the screen change.

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

Caution: When navigating mail storage locations, careful not to confuse the Online Archive folder with your existing Archive mail folder.For example, Move to Archive action in the ribbon, places the selected item into your local Archive, not the Online Archive.

If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...

With Poll, you can get constructive feedback on questions by creating a real-time poll right from a chat or channel in Teams. Create a poll. To create a poll, click Menu (…) below the box where you type your message. If Poll isn’t in the Suggestions section, search for it in the Find an app search bar or select More apps to find it in the Apps directory.

从屏幕右边缘滑入，然后点击“搜索”。 如果你使用的是鼠标，请指向屏幕右下角，然后单击“搜索”。在 “搜索 ”框中键入“命令提示符”，右键单击“ 命令提示符”，然后单击“ 以管理员身份运行”。如果系统提示你输入管理员密码或进行确认，则键入密码或单击“允许”。