Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Resolving Blue Screen errors in Windows. Applies To. Blue Screen errors (also called bug checks, STOP code errors, kernel errors, or BSOD errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly to protect itself from data loss.

If you want to use a new email address with your existing Outlook.com account, follow the instructions in this article to create an email alias. This will give you an additional email address that uses the same inbox, contact list, and account settings as your primary email address.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Sign-in Helper. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer. Microsoft will review your answers and respond within 24 hours.

Select the files you want to upload and drag them to OneDrive in the File Explorer Navigation pane. Save a file to OneDrive. Select File > Save a Copy > OneDrive - Personal. Select Enter file name here and type a name. If you want to save to another folder, select Browse, and select the folder you want. Select Save.

Managing Presence Sensing settings in Windows 11. Some Windows 11 PCs have a presence sensor built in. If your PC has one, you can have your screen turn off automatically when you leave, and then have your device wake up quickly when you approach.

如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“ 登录并安装 Office ”的部分。. 提示: 如果你是小型 ...

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。. 注意: Excel 中不再提供“查找向导”功能。. 下面是如何使用 VLOOKUP 的示例。. =VLOOKUP (B2,C2:E7,3,TRUE) 在此示例中，B2 是第一个 参数，即函数运行所需的数据元素 ...

Outlook 网页版 是组织使用的基于 Web 的 Outlook 版本。. 你需要使用工作或学校帐户登录才能访问此基于 Web 的 Outlook 版本。. 你的工作或学校帐户通常由组织中的某人分配给你。. 注意: 若要使用 Microsoft 帐户访问基于 Web 的 Outlook 版本，请参阅 如何登录或注销 Outlook ...