How to open PC Health Check. In Windows, use Search on the taskbar to search for PC Health Check, then select it from the list of results.. If a PC Health Check update is available, you can quickly install it for the latest version.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

Learn how to sign in or out of your Outlook.com, Hotmail, Live, or MSN email account with Microsoft Support's step-by-step guide.

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.

Para obter suporte no Outlook.com, clique aqui ou selecione Ajuda na barra de menus e digite sua consulta. Se a autoajuda não resolver seu problema, role para baixo até Ainda precisa de ajuda? e selecione Sim.. Para entrar em contato conosco no Outlook.com, você precisará entrar.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

假设你有一个办公室位置号码表，你需要知道每间办公室都有哪些员工。 电子表格内容较多，所以你可能认为这是一项具有挑战性的任务。 其实用查找函数很容易做到。 VLOOKUP 和 HLOOKUP 函数，以及 INDEX 和 MATCH是 Excel 中一些最有用的函数。

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.