Comment ajouter une signature à vos documents Word. Vous pouvez également utiliser la commande Ligne de signature dans Word pour insérer une ligne afin d’indiquer où signer un document.

Learn more about how to print web pages and documents in Microsoft Edge.

View and reply to an encrypted message without Microsoft 365 using Outlook for PC. If you're not using Outlook with Microsoft 365, your encrypted message will contain a link in the message body.

With Power Query, you can search for data sources, make connections, and then shape that data (for example remove a column, change a data type, or merge tables) in ways that meet your needs. Once you’ve shaped your data, you can share your findings or use your query to create reports.

Learn about the features and see diagrams of Surface Pro (5th Gen).

Analyze Data in Excel empowers you to understand your data through high-level visual summaries, trends, and patterns. Simply click a cell in a data range, and then click the Analyze Data button on the Home tab. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

You export contacts from Outlook using the Outlook Import and Export Wizard. You can export contacts to a csv file or Excel.

Learn about Outlook.com encrypted messages. Discover how to encrypt an email in Outlook, send an encrypted email, and read an encrypted email.

To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.