Get help with your questions about Microsoft Access with our how-to articles, training videos, and support content.

You import contacts to Outlook from other email providers using the Outlook Import/Export wizard. Import a csv file, Excel spreadsheet, vCard.

Just upgraded to Windows 10? Please see Known issues with Office and Windows 10, which covers issues specific to that operating system.

Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.

Learn about the quotas and differences between Microsoft storage and email storage.

Follow the instructions on the opt out page if you don't wish to participate in the Microsoft Rewards program.

Describes how you can link your Google account to your Microsoft account.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

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.

从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。