If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Learn how to change your account picture in Windows. Choose from pictures on your PC or take a new selfie.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Découvrez comment ajouter des comptes d’utilisateur dans Windows 10 et Windows 11. Chaque utilisateur dispose de fichiers séparés, de ses propres favoris de navigateur et d’un bureau privé grâce à son compte.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

注意: 如果想要将 PDF 文件的内容插入到 Office 文件中，相对于直接将 PDF 作为附件插入，最好的办法是使用 Word 2013 或 2016 打开该 PDF。Word 会将 PDF 转换为可编辑的文本，随后你可以将该文本复制和粘贴到 Office 文档中。 有关详细信息，请转到在 Word 中编辑 PDF 内容。

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.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.