The basic steps to open an email on any device
To open an email, find the message in your inbox and click or tap on it. The email will expand to show the full message, sender details, and any attachments. On a computer, your inbox is usually the first screen you see when you log into your email account. On a phone or tablet, tap the envelope icon or mail app, then tap the message you want to read.
The exact steps depend on which email service you use — Gmail, Outlook, Yahoo Mail, or another provider — but the basic action is the same across all of them. Once you click or tap a message, it opens in full view so you can read the entire content.
Key Takeaways
- Click or tap any message in your inbox to open it and read the full content.
- On a computer, your inbox appears automatically when you log in; on a phone, tap the mail app icon first.
- Attachments appear as downloadable files within the open email and can be saved to your device.
- If an email does not appear in your inbox, check your spam or junk folder, or search for the sender's name.
- You can reply to an open email by clicking the reply button, which is usually near the top or bottom of the message.
Opening email on a computer or laptop
Log into your email account through a web browser or a desktop email program. If you use a browser, go to the website for your email provider — gmail.com, outlook.com, yahoo.com, or whatever service you use — and enter your username and password. Your inbox will load automatically, showing a list of messages.
Click on any message in the list to open it. The email will expand to fill the screen, showing the sender's name, the subject line, the date and time it was sent, and the full message body. If the email contains attachments, you will see them listed at the bottom or as clickable links within the message.
Opening email on a phone or tablet
Tap the mail app icon on your home screen. This icon usually looks like an envelope and is labeled Mail, Gmail, Outlook, or the name of your email provider. The app will open to your inbox, showing a list of recent messages.
Tap any message to open it. The email will expand to show the full content. On smaller screens, you may need to scroll down to see the entire message or any attachments. To go back to your inbox list, tap the back arrow or swipe from the left edge of the screen.
What to do if you cannot find an email
If an email is not in your inbox, check your spam or junk folder first. Email systems automatically send some messages there, especially if they come from an unfamiliar sender or contain certain words or links. Open the spam folder and look for the message. If you find it, you can mark it as "not spam" so future emails from that sender go to your inbox instead.
If the email is not in spam, use the search function. Most email services have a search box at the top of the inbox. Type the sender's name, the subject line, or a word from the message, and the system will find matching emails. You can also search by date if you remember roughly when the email arrived.
Understanding email attachments
An attachment is a file — such as a document, photo, or PDF — that someone has sent along with an email. When you open an email that contains an attachment, you will see it listed separately, usually at the bottom of the message or marked with a paperclip icon.
To download an attachment, click or tap on it. A menu will appear asking where you want to save the file on your device. Choose a folder — such as Downloads or Documents — and the file will be saved there. You can then open it with the appropriate program on your computer or phone.
Replying to an email
Once you have opened an email, you can send a reply to the sender. Look for a button labeled "Reply" near the top or bottom of the message. Click or tap it, and a text box will appear where you can type your response.
Type your message in the box, then click or tap "Send". Your reply will be delivered to the sender's inbox. If the original email was sent to multiple people and you want to reply to all of them, look for a "Reply All" button instead of "Reply".
Frequently Asked Questions
How do I know if an email has been read?
Most email services show unread messages in bold or with a small dot or badge. Once you open and read a message, it is marked as read and the bold formatting or badge disappears. Some services also let you manually mark a message as unread if you want to come back to it later.
Can I open an email on multiple devices?
Yes. Your email account is stored on the provider's servers, so you can log in on your computer, phone, tablet, or any other device and see the same inbox and messages. Changes you make on one device — like deleting or marking as read — show up on all your devices.
What if an email says it cannot be opened?
This usually means the attachment is in a format your device cannot read, or the file is corrupted. Try downloading the attachment again, or ask the sender to resend it. If the email itself will not open, try logging out and logging back in, or use a different browser or device.
How do I open an email from a link someone sent me?
If someone sends you a link to an email or a shared message, click or tap the link in your browser. It will take you directly to that email. You may need to log into your email account first if you are not already signed in.