Tell us your problem so we can get you the right help and support.

We would like to show you a description here but the site won’t allow us.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Due to the built-in security settings in iOS, other apps aren't able to see the address (URL) an app is trying to open, including those being opened in the web browser. To make sure the site you're going to isn't known to be dangerous, Defender needs to be able to see the address. To do that, we set up a local VPN.

Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.

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

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

OneDrive ファイルの開きを取り消すには . エクスプローラーを使用して、[使用可能] としてマークされたファイル オンラインで開くと、 OneDrive 最初にダウンロードされます。 このダウンロードを停止するには、次の手順に従います。