The Bat! Features

Data Security

The Bat! has various means to protect your email correspondence and prevent email hacking.

End-to-end Encryption

The Bat! supports PGP and GnuPG (GPG) for end-to-end email encryption (E2EE). The Bat! also supports S/MIME via Internal Implementation or Microsoft CryptoAPI.

On-the-fly Disk Encryption

During the installation, you can enable the On-The-Fly encryption, so all the data (messages, address books, configuration files) will be stored encrypted on your hard disk. In this mode, unencrypted data never appear on the disk. On-the-fly encryption uses AES hadrware acceleration on modern Intel processors (AES-NI) and produces no noticeable delays.

Encryption to Mail Servers

The Bat! email client protects your personal information thanks to its widespread support of authentication protocols and encryption while working with mail servers. It prevents intentional data distortion and loss of confidential data while sending messages via the Internet. The Bat! supports Secure Socket Layer (SSL) v3.0 / Transport Layer Security (TLS) v1.0; v1.1, without using any third-party library - The Bat! has own implementation of these cryptographic protocols.

Backup and Restore

Protect against data loss with The Bat!'s backup and restore function for your emails; backup your customized configuration settings, address books, folders and messages.

The Bat!'s own Address Book

Viruses extract and distribute your contacts' data from some email address books. Unlike other email programs, The Bat! uses its own address book which is not connected to easy virus targets such as Microsoft Windows Address Book.

Message Parking

Don't lose important messages; when a message is parked, you will not be able to move it to another folder, and it won't be deleted without a warning or automatically purged. More...

Internal HTML Viewer

View links and HTML content without launching a web browser. The Bat!'s internal viewer supports HTML 4.0 and CSS v2.0 formatting, but ignores scripts and executable code preventing viruses from launching. The Bat!'s internal HTML viewer blocks viruses that use the known HTML vulnerability of Microsoft Internet Explorer (such as IFRAME and Automatic Execution of Embedded MIME type).

Image Download Manager for background retrieval of HTML images

Image Download Manager for background HTML image retrieval prevents from malware reaching your computer through graphic elements of HTML messages by blocking the suspicious images and letting the safe ones through. Image Download Manager controls the retrieval of messages not by folder or address, but by particular hosts or URLs. This can also prevents you from being tracked via the images in HTML messages. More...

Selective Download

Choose messages to delete or leave on your POP3 server by setting up respective filters in the Sorting Office. Selective download filters can be used for protection against viruses and spam.

Antivirus Interface

The Bat! offers integration with antivirus plug-ins, allowing scanning attached files for viruses and malware.

Safe Handling of Attached Files

If an attached file has a "double extension", for example, photo.jpg.exe, The Bat! will warn you and allow you to see the real extension. The Bat! checks attached file extensions and prevents them from launching if they are suspicious.

ASLR and DEP

The Bat! uses Windows Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP) to protect your computer from viruses and malware spread via email.

64-bit Version

The 64-bit version of The Bat! offers benefits for speed and security. In terms of performance, it is 5% faster than the 32-bit version in a 64-bit operating system. Using 64-bit programs in 64-bit operating systems is more secure from threats that particularly target the 32-bit applications. More...

Certified for Windows 10

The Bat email client has been certified for Windows 10. The Windows App Certification Program outlines program and technical requirements to ensure third-party apps carrying the Windows brand are easy to install and reliable on PCs running Windows. The Bat! met all technical requirements and eligibility qualifications to participate in the Windows 10 Desktop App Certification Program. The 64-bit version of The Bat! takes advantage of the benefits of 64-bit architecture and its installation package is digitally signed to ensure its authenticity. Software testing has been carried out by "N3 LLC – Application Validation Services", a company accredited by Microsoft.

Electronic Discovery Protection

The Bat!'s security, search, and Sorting Office features make it an indispensable tool for electronic discovery. The Bat! handles attached files well and its import wizard allows attorneys to easily deal with files exported from other email clients. Its powerful search and sorting capabilities help sort email messages by legal issue, legal theory, or addressees, which drastically increases the ability to handle large amounts of discoverable information. This is a pivotal tool for attorneys in complex litigation cases.

Easily import .mbox and other file formats from a variety of third party email clients.

Sort email messages based on addressee or issue with Sorting Office.

Quick and powerful search features allow for easy retrieval of archived messages.

Productivity Improvement

Smart Sorting Office

The Sorting Office is a powerful filtering system that not only organizes your incoming, outgoing, read, and replied messages by folders, but also can auto-respond; reply with a custom template; forward, redirect, print, or export messages; send read confirmations; run an external program and more. Once you spend a few minutes setting up sorting rules, you can forget about drag-and-dropping messages from folder to folder. The Inbox Analyzer can analyze the messages in your Inbox and can automatically create corresponding filters, upon your approval. More...

Handy Message Templates

Save time and create message templates that use special macros. Any mailbox, folder or entry in the Address Book can have a personalized set of templates for a new message, reply or forward. More...

Quick Templates

With the Quick Templates, you can insert prepared text into an email; useful when users commonly reply to messages with the same text every day. Using macros in Quick Templates, you can even configure a complex sequence of actions. More...

CardDAV support for address book synchronization

The Bat! offers CardDAV protocol support to sync contacts with CardDAV servers including Google and iCloud. You can add, edit or delete contacts in The Bat!, and all these changes will be reflected on the server. Such synchronization is useful when you access the same address book using different devices: for example, you can add a new contact using your smartphone or tablet, and it will appear in The The Bat!’s address book after you sync it with your CardDAV server.

Address Book Features

The Address Book gives you an easy way to manage your contacts, create groups and set up mailing lists. Give each contact a personal and business address, customized templates, a default character set, photos and their own S/MIME-certificate.

Address History

View all message history from a contact in one place using the Address History feature. More...

Mail Synchronization

You can synchronize messages, your mailbox, account settings, attachments and the Address Book over two separate copies of The Bat! More...

Microsoft Exchange Connectivity

The Bat! connects to Microsoft Exchange Servers using EWS protocol or native MAPI protocol to fetch or send messages. There are two ways of connecting to Exchange Servers via MAPI: using MS Outlook's profile or Microsoft Exchange Server MAPI Client and Collaboration Data Objects. EWS allows accessing MS Exchange Server 2007 and later versions directly with no need for extra applications. The Bat! downloads not only emails, but other Exchange items as well, such as calendar events, contacts, tasks and notes in EWS accounts.

Extended Support of National Codepages

The Bat! allows you to set character encoding per mailbox, per folder or per entry in the Address Book. You don't have to set the codepage manually for every message you send. Moreover, The Bat! supports Unicode as well as system fonts.

Convenient Message Dispatcher

Look at messages stored on your POP3 mail server without downloading them. It's very useful for managing your mail remotely, for example leaving "that copy of that huge document" on the server until you get home, but still retrieving and reading the urgent memos while on a mobile connection. More...

Multilingual Interface

Change between languages on the fly without restarting The Bat!, 18 languages are currently included.

Quick Image Viewing

Access attached images faster with The Bat!'s built-in image viewer. Navigate between images, rotate, resize, zoom, and print images from within The Bat!

QR Code Generator

The Bat! can quickly generate QR codes from selected text, URLs, emails, address book entries, etc. When the QR code is generated, you can scan it using your mobile device camera. You can also send it via email by copying and pasting it into an HTML message or by saving it to a PNG file and attaching it to a message. More...

Automated Attachment Processing

You have multiple ways to quickly and easily process files attached to email messages. Save all attachments from multiple selected messages is very easy: you just click a menu item once and select the destination folder, so The Bat! will save all attachments from all the messages to this folder. You don't need to set up any script or filter or rule in order to accomplish this routine task. Besides that, you can configure a mail account to store all attached files in a separate folder on the disk, so each attachment will be a standalone file rather than encoded in a message body using Base64. You can also set up a filter to automatically save attached files from incoming messages to various folders on the disk, depending on, for example, sender's name. More...

Postponed Sending

You can schedule to send emails later, for future delivery: at a set moment, specifying exact date and time, or with a delay (for example 15 minutes, to have time to change your mind). More...

Configurable New Email Notification Sounds

There are many ways to configure to play sound on incoming messages: for all messages or for particular messages only selected by filters, for example based on senders' names or addresses, etc. More...

Plain Text

You can configure The Bat! to work with plain text emails only: always show all email messages as plain text (even the messages that are HTML-only), reply to HTML message in plain text with quotation, etc. More...

Import Wizard

You can import your messages to The Bat! from:

  • Mozilla Thunderbird
  • Eudora Lite/Pro
  • Pegasus Mail
  • Netscape 6
  • Netscape Messenger v4.xx
  • Netscape Mail v2.xx, 3.xx
  • Microsoft Outlook Express 5.x / 6.x
  • Microsoft Office Outlook
  • MS Outlook Express 4 / MS Mail News

You can import your address books to The Bat! from:


  • LDIF-file
  • Business Card (VCard)
  • Address List (plain text)
  • Comma-separated (plain text)
  • Tab-delimited (plain text)
  • INI-file
  • X.509 Certificate
  • Eudora Address Book
  • Pegasus Tag File
  • MS Outlook Contacts
  • MS Outlook Express (Windows Address Book)
  • Windows Mail (Vista)
  • Google Contacts
IDN support

Internationalized Domain Names are domain names that contain characters from non-Latin alphabets such as Arabic, Chinese, Cyrillic and Greek. IDN support includes Latin alphabet-based characters with diacritics, such as those found in French and German. More...

RSS feed subscriptions

RSS is a technology that allows fetching news published on web-sites, blogs or forums. You can subscribe to an unlimited of RSS feeds as well as read and categorize information coming through them. All the news and forum posts are automatically fetched, combined and displayed in one list like the ordinary emails are. In the news list you will not only see the headlines, but also the summary, so that you can only look through the news you are interested in. More...

Streamlined IMAP4 protocol

The Bat! can connect to email accounts on the servers via the IMAP protocol (Internet Message Access Protocol) in such a way that it opens multiple simultaneous connections to the same account for faster access: it can do multiple different operations in parallel, e.g. work with messages in one folders while the other folders are synchronized.

Command-line handling

The Bat! also supports command-line interface to automate routine tasks. For example, you can send an email from a Windows command line batch file (.CMD) or from a PowerShell script. You can also import and export messages and addresses, and do other useful actions automatically. More...

Modest System Requirements

The Bat! is compatible with Microsoft Windows XP and later versions of Windows operating systems. There are no minimum requirements for memory size or CPU speed. It runs on any Windows PC platform with at least 1024x768 screen resolution.

Uninstall

It is very easy to uninstall The Bat! from your computer. Just go to Windows Control Panel, select "The Bat!" in the list of installed programs and click the "Uninstall" button. You will have a checkbox with an option to keep (by default) or delete your mail data (emails, address books, configuration files, etc.) during the uninstall. More...


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