A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Note: Exporting and importing a mailbox using a .pst file isn't supported in new Outlook at this time. To export a mailbox, you need to use the desktop version of Outlook (also known as classic Outlook) following the steps below.Classic Outlook is included with Microsoft 365 subscriptions that include desktop apps such as Microsoft 365 Personal or Family or Microsoft 365 Business Standard, and ...

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Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

What are passkeys? Passkeys are a replacement for your password. With passkeys, you can sign into your Microsoft personal account, or your work/school account using your face, fingerprint, or PIN.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.