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.

To sum a column of numbers, select the cell immediately below the last number in the column. To sum a row of numbers, select the cell immediately to the right. AutoSum is in two locations: Home > AutoSum, and Formulas > AutoSum. Once you create a formula, you can copy it to other cells instead of typing it over and over.

Change your lock screen background. Windows 10. Go to Settings > Personalization > Lock screen. Under Background, select Picture or Slideshow to use your own picture (s) as the background for your lock screen. Change your lockscreen background. Change your lock screen background.

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation ...

Turn on Dark Mode. To use Dark Mode in Word, you must first set your Office theme to Black. This will enable the Black theme for all Office apps. Go to File > Account > Office Theme. Open the drop-down menu and select Black. Alternatively, you can select Use system setting, which will automatically switch your Office theme based on your Windows ...

Export contacts out of other email services. Export iCloud contacts. Export Gmail contacts – See Gmail help. Export Yahoo contacts – See Yahoo import and export help. Export Thunderbird contacts – See Mozilla support. Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.

Open Internet Explorer. On the Tools menu, click Internet Options, and then click the Content tab. Click Certificates, and then click the Personal tab. Important: If you digitally sign a document by using a digital certificate that you created, and then you share the digitally-signed file, other people cannot verify the authenticity of your ...

Select Start > Settings > Time & language > Language & region. Choose a language from the Add a language list under Preferred languages, and then select Options. Select Download from the Download language pack option. After the language pack is installed, select Back. Choose a language from the Windows display language menu. Get steps for how ...

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 ...

To delete a theme: Click Start > Settings > Personalization > Themes. Right-click (or press and hold) the theme's tile, and select Delete. Note: You cannot delete the currently active theme. If you want to delete the currently active theme, first select another theme to use. The Settings app will also not allow you to delete default themes.