Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.

Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Updated Files On-Demand settings on Windows.We are updating the OneDrive sync app advanced settings for Files On-Demand for users who have the feature enabled.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Published August 2021. This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

有些时候，你需要检查单元格是否为空白，通常是因为你可能不希望公式没有输入值就显示结果。 此情况下，将 IF 与 ISBLANK 函数搭配使用： =IF(ISBLANK(D2),"Blank","Not Blank")