Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

OneDrive not connected. If you cannot sign in to your OneDrive sync app, or you see a message saying OneDrive is not connected, let our troubleshooter guide you through the steps to get syncing again, or follow the steps below.

Create contact lists. A contact list is a collection of email addresses, and is useful for sending email to a group of people. Contact lists are sometimes referred to as distribution lists.. For example, create a contact list named My book club and add all the members of your book club to it. When you want to send an email message to everyone in the club, just add My book club in the To line ...

To install a 64-bit version of Windows, you need a CPU that's capable of running a 64-bit version of Windows. The benefits of using a 64-bit operating system are most apparent when you have a large amount of random access memory (RAM) installed on your computer, typically 4 GB of RAM or more.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

I know which version I want. How do I install it? The 64-bit version of Microsoft 365 is automatically installed unless you explicitly select the 32-bit version before beginning the installation process.. To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC.

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The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".