Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

你是否收到 Outlook 未响应的错误？ Outlook 是否卡在只显示“正在处理”的屏幕上？ 或者打开文件或发送电子邮件时， Outlook 冻结或停止工作？ Outlook 如此行为的原因可能有多种。 我们按最快到最耗时的顺序显示可能的解决方案。

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution, scale and layout of your monitor.

PV, one of the financial functions, calculates the present value of a loan or an investment, based on a constant interest rate. You can use PV with either periodic, constant payments (such as a mortgage or other loan), or a future value that's your investment goal.

64 ビットまたは 32 ビット バージョンの Microsoft Office に関連する "Officeをインストールできませんでした" エラーを修正する方法について説明します。

PC が TPM 2.0 を実行できるかどうかを確認する方法、または TPM 2.0 を有効にして Windows 11 にアップグレードする方法について説明します。

This article describes how to troubleshoot Microsoft Outlook when it's used together with Microsoft 365 and: Outlook stops responding (hangs). Outlook crashes even though you aren't actively using it. Outlook crashes when you start it. Try steps 1 through 3 in order until the issue is cleared. If you go through all of those steps and Outlook is still crashing or not responding, complete step 4 ...

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