The following tips can help you pinpoint the issue affecting your device. Before you begin, make sure your device is plugged into a power source and connected to the internet. Then, try the steps listed below to get your PC to update. Some updates require administrator access. If your account doesn't have administrator access, see Create a ...

Visit the small business help & learning page to learn how you can use Outlook and other Microsoft 365 apps and services in your small business. Visit the small business hub now. Connect. Organize. Get things done. Everything you need to be your most productive and connected self—at home, on the go, and everywhere in between.

Apply or remove cell borders on a worksheet. By using predefined border styles, you can quickly add a border around cells or ranges of cells. If predefined cell borders do not meet your needs, you can create a custom border. Note: Cell borders that you apply appear on printed pages. If you do not use cell borders but want worksheet gridline ...

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Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

If you want, you can apply the criteria to one range and sum the corresponding values in a different range. For example, the formula =SUMIF(B2:B5, "John", C2:C5) sums only the values in the range C2:C5, where the corresponding cells in the range B2:B5 equal "John." To sum cells based on multiple criteria, see SUMIFS function.

Repair a profile in Outlook 2016. In Outlook 2016, choose File. Choose Account Settings > Account Settings. On the Email tab, choose your account (profile), and then choose Repair. Note: The Repair option isn't available if you're using Outlook 2016 to connect to an Exchange account. Follow the prompts in the wizard, and when you’re done ...

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

Use the People page to create, view, and edit contacts, contact lists, and groups. Create new contacts from scratch, or add someone as a contact from their profile card. You can create a simple contact list for sending email to a group of people, or create groups for group-based collaboration. Note: Many of the features in the new Outlook for ...

Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.