Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

Accept the invite and start using Microsoft 365. If you received an email inviting you to share Microsoft 365 Family, select Accept. On You're invited, select Get Started . If you're not already signed in, you may be prompted to sign in with a Microsoft account. If you don't have a Microsoft account, create one.

To make sure your device can successfully update and that it runs its best, Windows reserves a portion of storage space on your device for use by temporary files, caches, and other files. When your device is low on space, Windows will clear reserved storage so it can be used for other processes, like a Windows update. Reserving storage also ...

Select the file, or files, that you want to check in. Above the Documents list, select the three-dot menu, and then select Check in. Note: In the classic experience, find Check In on the Files tab in the ribbon. In the Comments area, add a comment that describes the changes you made. This step is optional but recommended as a best practice.

Rename the file. You can rename the file (or request that the sender rename the file) to use an extension that Outlook doesn't block. For example, you can rename file.exe to file.docx. Once the renamed file is sent (or received), save it and rename it with the original extension using the following steps. Locate the attachment in the email message.

Ad-free interface. Microsoft 365 subscribers enjoy an ad-free Outlook.com mailbox. Without ads, you have less distractions and enjoy faster page load times. Larger mailbox storage. Microsoft 365 subscribers get 50 GB of email storage as a subscription benefit. You'll have 50 GB of email storage at your disposal. Notes:

On the Format tab, in the Current Selection group, click the arrow next to the Chart Elements box, and then click Vertical (Value) Axis. On the Format tab, in the Current Selection group, click Format Selection. In the Format Axis pane, click Axis Options, and then do one or more of the following: Important The following scaling options are ...

Go to File > Options > Save. Under Save workbooks, in the Save files in this format list, select Excel Binary Workbook. This option sets binary format as the default. If you want to keep the default to Excel Workbook (.xlsx) but save the current file as binary, select the option in the Save As dialog.

Click Verify next to your email address, and then click Send email. Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Get the steps for how to verify an email address in your Microsoft account.

The SWITCH function evaluates one value (called the expression) against a list of values, and returns the result corresponding to the first matching value. If there is no match, an optional default value may be returned. Note: This feature is available on Windows or Mac if you have Office 2019, or if you have a Microsoft 365 subscription. If ...