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Install, Migrate and Update

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This article describes the major changes that are visible to users in Thunderbird version 45.0. Full details of all the changes can be found in the Thunderbird 45 release notes. Table of Contents1 Mail Composition2 Mail Delivery Format3 Chinese, Japanese and Korean mail4 Remote Content
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This article describes the major changes that are visible to users in Thunderbird version 38. Full details of all the changes can be found in the Thunderbird 38 release notes. Table of Contents1 Chat supports Yahoo Messenger2 Filtering sent/archived messages3 Search multiple address
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Thunderbird saves personal information such as messages, passwords and user preferences in a set of files called a "profile", which is stored in a separate location from the Thunderbird program files. While it is possible to have multiple profiles, most users just use the
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Table of Contents1 Windows Easy Transfer Wizard2 Manually moving files3 Using Gmail to move messages4 See Also Windows Easy Transfer Wizard Recent versions of Windows come with an Easy Transfer Wizard which offers to transfer your data, documents, videos and email to your new computer.
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Table of Contents1 Switching from Apple Mail to Thunderbird1.1 Importing Apple Mail messages1.2 Importing the OS X address book2 Switching from Windows Mail or Windows Live Mail to Thunderbird2.1 Importing Windows Mail Messages2.2 Importing Windows Mail Contacts3 Importing from Outlook
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This article will show you how to install Thunderbird on Mac. For other operating systems, see Installing Thunderbird on Windows and Installing Thunderbird on Linux. Before you install Thunderbird, check that your computer meets the System Requirements. Open the Thunderbird download
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This article will show you how to install Thunderbird on Linux. For other operating systems, see Installing Thunderbird on Windows and Installing Thunderbird on Mac. Many Linux distributions include Thunderbird by default, and most have a package management system that enables you
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This article describes how to install Thunderbird on Windows. If you are upgrading from a previous version of Thunderbird, see Updating Thunderbird. This article only applies to Windows. Before installing Thunderbird: Make sure that your computer meets the System Requirements. Although
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This issue applies to Mac devices only. Apple has introduced a security change to Mac OS X 10.9.5 which causes the error message "Thunderbird" can't be opened because the identity of the developer cannot be confirmed to appear when you try to install Thunderbird on your
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Updating from a previous version? If you are upgrading from a previous version of Thunderbird, see Updating Thunderbird. Click on the operating system on which you are installing Thunderbird. Installing Thunderbird on Windows Installing
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Thunderbird includes a Software Update feature that automatically checks for updates and prompts you to install them when necessary. For more information about the Software Update feature, see Updating Thunderbird. Sometimes, the updater fails and displays the following error message:
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REDIRECT Moving Thunderbird Data to a New Computer
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Although Thunderbird will run on Windows XP Service Pack 2 (SP2) or above, the latest installers for Thunderbird require Windows XP with Service Pack 3 (SP3) or Windows Vista with update KB2763674. To work around this issue, a two-step process is necessary to install the latest
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This page has answers to frequently asked questions regarding Thunderbird and Windows 7. Table of Contents1 Does Thunderbird work on Windows 7?2 Is Thunderbird a 64-bit application?3 How do I transfer my messages from Microsoft Outlook, Windows Mail or Windows Live Mail to Thunderbird?4
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This page describes Thunderbird's configuration options for your system. Specify what Thunderbird does when updates are found Menu location: Thunderbird > PreferencesTools > OptionsEdit > Preferences > Advanced > Update Configure automatic updates Menu location:
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After upgrading to Thunderbird 3, some Thunderbird users are getting an error message similar to "An error occurred sending mail: Unable to authenticate to SMTP server ..." when they send email. This is caused by a bug in Thunderbird 2.0, where SMTP configuration settings
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Table of Contents1 How to Upgrade from Thunderbird 3.11.1 1. Backup your Thunderbird Data1.2 2. Upgrade Thunderbird 3.1 to the current version1.3 3. Check add-on compatibility1.4 4. Review New Features2 Thunderbird 3.1 Upgrade Video3 Add-on compatibility3.1 Known Incompatible Add-ons As
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This article describes the major changes in Thunderbird version 10. For a complete list of bugs that have been resolved in the release, refer to the list of fixes on Bugzilla. Table of Contents1 Add-ons2 Open Search3 Global Database re-indexing may temporarily slow down your computer4
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Current Thunderbird release VersionNew featuresComplete article 45Mail composition window and format changes,Remote content exceptions management improved,New message list and header options New in Thunderbird 45.0 Past Thunderbird releases VersionNew featuresComplete article 38The
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Table of Contents1 Autocompleting email addresses improvements2 Composing mail3 NTLM authentication disabled Autocompleting email addresses improvements Autocomplete now matches against any part of the name or email (bug 529584) Composing mail Composing mail to a newsgroup will now
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