Feature Comparison: Mozilla Thunderbird - Microsoft Outlook

If you want to see the comparison of LibreOffice suite vs. MS Office, see here: Feature Comparison: LibreOffice - Microsoft Office.

Introduction
This page compares the features of Mozilla Thunderbird 60 (download) and Microsoft Outlook 2019. LibreOffice does not have a module and therefore users looking for a suitable  software need to seek alternatives for email, calendars, contacts, tasks, and chat features. This comparison table has the objective to assist users in this search. Mozilla Thunderbird is a fully-featured tool. Like LibreOffice, Thunderbird is a free, open-source, cross-platform program. There are alternatives to Mozilla Thunderbird available, such as and.

Please note that neither the LibreOffice developer team nor the Document Foundation gives any official recommendation for a PIM software replacement for LibreOffice.

This table separates major and minor feature differences and also includes notes on Thunderbird add-ons. The comparison highlights differences and therefore does not display any features which are present in both programs.

Important Thunderbird add-ons
Many add-ons are available for Mozilla Thunderbird. Most add-ons can be found at ATN. Below is a small sample of some Thunderbird add-ons:

Email module
 * CompactHeader. Switch between compact and expanded view.
 * Enigmail. OpenPGP message encryption and authentication.
 * ExQuilla for Microsoft Exchange. Connecting to Microsoft Exchange Web Services.
 * ImportExportTools. Adds some tools to import and export folders and messages.
 * Mail Merge. Mass mail and personal mail.
 * Mail Redirect. Allow to redirect (a.k.a. "remail") mail messages to other recipients.
 * QuickFolders (Tabbed Folders). Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching.
 * Send Later. True &ldquo;Send Later&rdquo; functionality to schedule the time for sending an email.
 * Signature Switch. Switch the signature on/off or choose a new one from your predefined set of signatures.

Calendar module
 * Lightning Calendar Tabs. Displays tabs which allows quick navigation between time periods in Lightning calendar.
 * More Snooze. This add allow to customize the snooze delay when snooze popup appears.
 * Purge Events Plus. Purge events from Sunbird and Lightning files and thereby cleans the calendar.
 * TbSync. Synchronize calendars, contacts and tasks to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.

Contacts module
 * CardBook. A new Thunderbird address book based on the CardDAV and vCard standards.
 * Contact Tabs. Enhances Thunderbird to give you quick access to all your contacts directly from Thunderbird's main window: Use the powerful search field to find your contacts and open them in a new tab for viewing and editing.
 * gContactSync. Synchronizes contacts & groups between Thunderbird and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
 * TBDialout. Place phone calls directly from Thunderbird's address book.
 * TbSync. Synchronize calendars, contacts and tasks to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.
 * Telify. Converts telephone numbers into clickable links for use with CTI applications, SIP clients, Skype, Netmeeting, snom phones, the AGFEO TK-Suite Client and SerVonic IXI-PCS.

Tasks module
 * Chromatasks. Color task rows with calendar color.
 * TbSync. Synchronize calendars, contacts and tasks to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.

LibreOffice extensions for the integration with Thunderbird
 * EuroOffice Mail Archiver. Store and organize your e-mails in an OpenOffice Document. This version works only with Thunderbird mail folders, folders are not supported.