Signing In and Out

• Can I log in securely?
• How do I sign in and sign out of my account?
• How do I switch between Yahoo! Mail accounts?

Composing and Sending

• How do I send a message?
• Can I unsend a message?
• How do I start a new message?
• How do I address an email to someone?
• What do "Cc:" and "Bcc:" mean?
• How can I change how my name appears on my outgoing email?
• Can I send the same mail message to more than one person?
• Signature. I want to put one at the end of my emails. How do I do it?
• What’s the largest message I can send?
• How do I check the spelling in a message?
• What are these shortcut keys I keep hearing about?
• How do I switch from Plain Text to Rich Text (colour, font, size and style choices), or back to Plain Text?
• How do I use the Colour and Graphics toolbar?
• How do I change font sizes?
• I use plain text for my messages. Can I change that font?
• How do I put a link or URL into a message?
• If I send a message to someone, can I tell if they've received and read it?
• Can I change the time stamp on outgoing mail?
• As a sender, how can I ensure uninterrupted SMTP access and prioritized delivery?
• Why was my SMTP connection rejected?
• Who can I send messages to?

Receiving

• How do I read a message?
• Can I adjust how quickly a message is marked as read?
• How can I read my mail from another computer?
• Can I read the HTML someone else puts in a message?
• What is the largest message I can receive?
• How do I print a message?
• How often are messages delivered into my mailbox?
• Does Yahoo! Mail check for new messages?
• How can I see which of my email addresses an email was sent to?
• Someone sent me a message and I haven't received it. What happened?
• Why do I see the same text repeated twice in one email?
• What are headers, and what are my header viewing options?
• Why was my message neither received nor bounced?
• What’s the Reading Pane?
• How do I shrink or enlarge the Reading Pane?
• How do I close the Reading Pane? And how do I get it back?
• Can I read my email offline?

Replying

• How do I reply to a message?
• What do the backwards arrow, forward arrow, and flag icons mean?

Sending Attachments

• How do I add an attachment to a message?
• How do I remove an attachment?
• How do I forward an attachment?
• How do I check an outgoing attachment for viruses?
• I'm having trouble attaching a file.
• Why are my attachments larger after I attach them?
• This attachment is taking long time to upload. How do I cancel it?

Receiving Attachments

• How can I download ALL attachments?
• How do I download an attachment?
• I received a message with an attachment. How can I view it or save it to my computer?
• Why doesn't an attachment open and appear correctly?
• How do I scan files attached to emails people send me?
• Why are messages with attachments routed to my Trash folder?

Forwarding

• How do I forward a message?
• How do I forward an attachment?
• What do the backwards arrow, forward arrow, and flag icons mean?

Announcing Your Address or Holiday

• How do I create a holiday response?

Deleting

• How do I delete mail?
• After deleting a message, how do I go back to the folder I’m working in instead of going onto the next message?
• If mail is deleted, can I recover it?
• Is mail automatically deleted?
• How long until mail in Trash is deleted?