If you do not want to purchase a digital certificate from a third-party certificate authority (CA), or if you want to digitally sign your document immediately, you can create your own digital certificate.

The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory. Note: When signed in to the Surface app, you can see information for other Surface devices that you've also signed in to. Open the Surface app.

Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365. Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365.

If some cells, rows, or columns on a worksheet do not appear, you have the option of copying all cells—or only the visible cells. By default, Excel copies hidden or filtered cells in addition to visible cells. If this is not what you want, follow the steps in this article to copy visible cells only. For example, you can choose to copy only ...

Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update. The latest Windows update is Windows 11, version 23H2, also known as the Windows 11 2023 Update.

A template is a pre-designed layout that you can apply to a new page to provide a level of consistency and save time. OneNote comes with several built-in templates, including decorative page backgrounds and to-do lists. You can create your own template or customize an existing one.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

Open the Authenticator app, select Add account from the Customize and control icon in the upper-right, select Other account (Google, Facebook, etc.), and then select OR ENTER CODE MANUALLY. Enter an Account name (for example, Google) and type the Secret key from Step 1, and then select Finish.

You can create a signature for your email messages using a readily available signature gallery template. All you have to do is get the template, copy the signature you like into your email message and personalize it to make your own Outlook signature. Check out the video to see how it's done.

Commercial and consumer customers can now purchase Microsoft Office 2019 for Windows and Mac. Office 2019 is the next perpetual release of Office. It includes significant improvements over Microsoft Office 2016 and earlier versions of on-premises Office. To download and install Office 2019, see Download and install or reinstall Microsoft 365 or ...