How to Use the Windows Mail App
Read and send email on a Windows 10 or 11 PC using the built-in Mail app — no extra downloads needed. Here's how to set it up and use it.
At a Glance
Open the Mail app
~19sAdd your email account
~34sQuick Tip
If the app doesn't prompt you to add an account right away, click the gear icon at the bottom left and then click "Manage Accounts" to add one.
Read your email
~22sReply to an email
~24sQuick Tip
"Reply All" sends your response to everyone in the conversation, not just the original sender. Use plain "Reply" if you only want to respond to one person.
Write a new email
~21sAttach a file or photo
~29sWarning
Most email services have a file size limit of 20–25 megabytes for attachments. If your photo or file is very large, it may not send. Resizing the photo before attaching it often solves this.
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Windows 10 and Windows 11 come with a free email app built right in — it's called Mail (or sometimes "Mail & Calendar"). You don't have to download anything to use it. It's already on your computer, waiting in the Start menu.
The Mail app works with most popular email services including Gmail, Outlook/Hotmail, Yahoo Mail, iCloud, and many others. Once you connect your email account, you can read, reply to, and write new emails directly from your Windows desktop, just like you would in a web browser — but without needing to open a browser at all.
The Mail app is designed to be straightforward. The left side of the screen shows your mailbox folders (inbox, sent mail, junk, etc.), the middle shows a list of your emails, and the right side shows the full message when you click one. Everything is in large, readable text by default.
One particularly useful feature: the Mail app can handle multiple email accounts at once. If you have a Gmail address and a Hotmail address, you can add both and switch between them from the same app.
This guide will walk you through setting up the Mail app with a Gmail account as an example. The steps are similar for other email providers. Note: Windows 11 newer versions have replaced Mail with the Outlook app — if you see "Outlook" instead of "Mail" in your Start menu, the steps are very similar but the app looks slightly different.
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