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Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

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Email and messaging
Send and receive email

Email and messaging

Send and receive email

Everything you need to know about sending and receiving emails.

In English

Remote Content in Messages

Blocking a sender

Organize your messages with filters

Signatures

How to create and use mailing lists on Thunderbird

Message threading in Thunderbird - keep messages grouped by conversation

Archived Messages

New Email Address

Cannot send messages

Send and receive messages in Thunderbird

Switch from POP to IMAP account

FAQ Changing IMAP to POP

Cannot receive messages

Message List Columns

Ignoring threads

Global Search

Hyperlinks in messages do not work

How can I send a large attachment?

How to Use Attachments

Addressing an Email

Thunderbird 78 FAQ

New email notifications in Thunderbird

Unify your POP email accounts with a global inbox

Quick Filter Toolbar

Digitally Signing and Encrypting Messages

Prerequisite for sending an encrypted email message

Thunderbird and OpenPGP Alias Keys

Archiving Messages

Inbox or Other Folder Full

What is the winmail.dat attachment?

How can I avoid to reach the "over quota" limits of my mail server?

File Link

FileLink

How Thunderbird’s scam detection works?

Compact Inbox or Other Folder

Ignoring threads Redirect 1

Message Tags - Categorize your email in Thunderbird

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