Download The Bat!

There is now a single installation file for both Professional and Home licenses. After you install the program and input the registration key, The Bat! will recognize its license type. Note that the current installation file includes the multi-language user interface and the spell checker dictionaries formerly known as International Pack.

Please check your current registration. You may have to pay to upgrade your license to a newer version. Licenses purchased on or after May 9, 2015 are valid for The Bat! v7. Licenses purchased on or before May 8, 2015 can be upgraded for a fee.

The Bat! v7.4.4 (32-bit)

16-01-2017 33.04 MB Download

The Bat! v7.4.4 (64-bit)*

16-01-2017 35.79 MB Download

Token Manager v2.0 (iKey1000, eToken Pro) for Professional Edition

21-01-2010 0.95 MB Download

For software developers - specification for writing custom interface skins for The Bat!

30-07-2006 0.19 MB Download

For software developers - specification of The Bat! plugin API

10-05-2011 3.62 MB Download
Archived versions of The Bat!

New features

  • Better algorithm for removing duplicate messages. You can also run The Bat! with various command line options to ignore several message attributes while comparing messages: /DEDUPIGNOREMSGID (ignore Message-ID), /DEDUPIGNORETO (ignore To), /DEDUPIGNOREDATE (ignore Date), /DEDUPIGNORETOMSGID (ignore To and Message ID - this command line option is reserved for past compatibility). You can combine multiple command line options mentioned


  • URLs in the HTML editor are no longer percent-encoded when saving a message; national characters and " < > & are replaced to HTML-entities. Plus and space are left intact
  • (#1107) Widened buttons to restore templates in the account properties


  • HTML background images are not shown or shown distorted
  • Access Violation while exiting and background download tasks are not yet finished
  • Fixed the about box on high definition monitors
  • HTML/CSS values were improperly converted from inches, centimeters and other length units to physical pixels
  • Scrolling large images in the internal image viewer was slow
  • If images had size "100%", they were much smaller than their proper size
  • (#1091) URLs which contained a mixture of national characters and percent-encoded characters were incorrectly encoded
  • (#885) Images in some HTML messages are not displayed properly if the internal HTML viewer is used
  • (#1099) Truncated text field in account properties
  • (#1091) URLs with Russian characters were corrupted in Quick Templates
  • (#1114) Sometimes image size is improperly calculated, the last (bottom right) line of the image is tiled from the first (left top), this is visible when zooming the about box
  • The max-width attribute wasn't supported, thus some HTML newsletters weren't centered
  • Default font in HTML viewer was too large under high definition monitors: twice as large at 200% DPI, thrice as large under 300%, and so on
  • Fixed toolbar and popup menu display
  • (#0001072) Font size drop-downs in the HTML-editor are too small on high DPI
  • Color tool palette dropdown in the HTML-editor had too small bricks on high DPI
  • (#1071) The drop-down for "Style" in HTML-editor is to small on high DPI
  • (#248) Missing left edge line in menus
  • Menu navigator in other windows than the main did activate the main window instead
  • Tab set height didn't adjust to the used font size
  • (#1074) Toolbar grippers were too small on high DPI
  • Close button for floating toolbars were too small on high DPI
  • Toolbar chevrons didn't scale under high DPI
  • URLs with national characters didn't properly open in the HTML templates editor
  • Since version (20-Mar-2014), by default, when opening a message by double click, the list of other messages from this folder became visible. It should have not been visible by default, so only the current message body and headers should be visible


The Bat! upgrade policy
  • The Bat! v5 license purchased December 23, 2010 - September 25, 2013 is valid for a The Bat! v6.0 upgrade only. For The Bat! v6.1 and higher these licenses are not valid.

  • The Bat! v6 license purchased September 26, 2013 - November 25, 2013 will be valid for a The Bat! v7.0 upgrade only. For The Bat! v7.1 and higher these licenses will not be valid.

  • The Bat! v6 license purchased November 26, 2013 - May 8, 2015 is valid for all sub-versions of The Bat! v6. For The Bat! v7.0 and higher these licenses will no longer be valid.

  • The Bat! v7 license purchased from May 9, 2015 will be valid for versions 6.8, 6.8.x and all sub-versions of The Bat! v7. For The Bat! v8.0 and higher these licenses will no longer be valid.

Users who have a license for any version of The Bat! before v7 can update their license to The Bat! v7 by purchasing an upgrade.

Please note: We reserve the right to adjust our upgrade policy without notification.

*The 64-bit version of The Bat! does not accept 32-bit plugins. If your plugin stopped working after installing The Bat! 64-bit, you should either get the 64-bit version of the plugin or switch back to the 32-bit version of The Bat!