BSIG file format description

Many people often share .bsig files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .bsig files. To address this issue, we have created this page to offer assistance and guidance on handling .bsig files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .bsig files.

Our aim is to simplify the process and promote seamless use of the .bsig file format.

1 filename extension(s) found in our database.

.bsig - ClamAV Binary Signature

The BSIG data files are related to ClamAV. The BSIG file is a ClamAV Binary Signature. ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats.

Data files
- / -
ClamAV Binary Signature related extensions:
ClamAV Local Database
ClamAV Virus Database
ClamAV Extended Signature Data

Naturally, other applications may also use the .bsig file extension. Even harmful programs can create .bsig files. Be especially cautious with .bsig files coming from an unknown source!

Can't open a .bsig file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .bsig file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

big, bsg, bsi, sbig, sig

Is it possible that the filename extension is misspelled?

There is a possibility that the .bsig filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .bsig:

Homeworld Game Archive
Microsoft OneNote Signature Data
Broderbund PrintMaster Poster
Besiege Machine
Esko Automation Engine Signature Data
Powersim Studio Simulation Game

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .bsig file format, then write to us! >> BSIG file