Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Synchronization of contacts between your Outlook account and your Apple iPhone or iPod touch requires Apple iTunes.You can configure which items are synchronized during a one-time set up process.

Learn how to use the Scheduling Assistant and Room Finder in Outlook to find the best time and place for your meetings.

培训：观看并了解如果所有收件人均使用 Microsoft Exchange，如何使用 Outlook 撤回和/或替换 Outlook 中的电子邮件。

Learn how to add your photo to Microsoft 365 so it appears in your profile. You can add your picture anywhere you see the picture box in Microsoft 365. You can add your picture when you're in Outlook Web App. Your can add your photo when you're at the Microsoft 365 Home page.

If your organization uses two-factor verification, you can set up your work or school account to use the Microsoft Authenticator app as one of the verification methods.

Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.

Notes: Samsung Gallery connection to OneDrive is available for certain carriers, models and markets only. Your Samsung Gallery can only be connected to OneDrive personal accounts (i.e. not OneDrive for work or school users).

了解如何设置 Outlook 以使用 Microsoft 365、POP、IMAP 或基于 Microsoft Exchange 的电子邮件帐户。