What version of Outlook do I have? With so many Outlook apps and services, it can be confusing to know which version you're using. To find out which version of Outlook you're using, select a tab below.

Use the Add a language feature to download and install another language for Windows 10 so you can view menus, dialog boxes, and supported apps and websites in that language.

Open Mobile hotspot settings Turn on mobile hotspot in Settings In the Settings app on your Windows device, select Network & internet > Mobile hotspot. For Share my internet connection from, choose the internet connection you want to share. For Share over, choose how you want to share your connection—over Wi-Fi or Bluetooth. Wi-Fi is usually faster and the default. (Optional) Expand the ...

Skype is retiring in May 2025. Switch over to Teams Free to keep all your chats and contacts in one place, or export your data. Learn more in this FAQ.

When you comment on a document, presentation, or spreadsheet and use the @-sign with someone's name, the person you mention receives mail with a link to your comment. Clicking the link brings them into the document and into the conversation.

Skype 帮助和学习 重要: 2025 年 12 月 20 日更新：我们将必需导出 Skype 数据的期限延长至 2026 年 6 月。 请通过 此处 的 Skype 导出门户提交下载数据的请求。

While using the Teams desktop app, select Open private Copilot in new window to pop out the Copilot pane into a new window and multitask during your meeting. Edit Copilot's responses in Word or Excel Copilot in Teams for meetings can help your team get started on important documents that can be exported to Word or Excel for further collaboration.

Important Don’t combine port forwarding, UPnP, and perimeter network (also known as DMZ) settings. If you previously enabled perimeter network functionality on your router, you must disable the perimeter network before you try this procedure.

iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

Learn how to install the Microsoft 365 Copilot mobile app on your iPhone or iPad and use the apps with Microsoft 365.