Opening a BI$ File

The BI$ file type is primarily associated with MS Compressed BI.

BI$	File extension: BI$
	File type:	Decompress with UNPACK.EXE.

What is a BI$ file

BI$ files mostly belong to MS Compressed BI. Use our "Online BI$ Text Viewer" below to analyze your BI$ file and to see all text it contains.

How to open BI$ files

You need a suitable software like MS Compressed BI to open a BI$ file. You need a suitable software like MS Compressed BI to open a BI$ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your BI$ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a BI$ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online BI$ Text Viewer

Choose your .bi$ file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

.BI$ File Won't Open? Here is What You Can Do

Because .BI$ files can originate from various programs, they are not universally openable.

Identify the Source: Files from old installation floppy disks or legacy software archives often suggest an MS Compressed BI file.
Check the Header: Open the file in a hex editor to inspect its first bytes:
- SZDD or KWAJ: Indicates standard Microsoft file compression.
- PK: Suggests a standard ZIP archive renamed.
Use the Original Software: The original program is usually required; try legacy tools like MS-DOS UNPACK.EXE, Windows EXPAND.EXE, or modern extractors like 7-Zip, or ask the sender if uncertain.
Use this Webpage: Drag and drop your .BI$ file onto this page to detect its exact format, extract metadata, and preview its contents.

Technical Data for BI$ File Extension

Related files:

ba$, co$

a bi$ Decompress with UNPACK.EXE. is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with BI$ files

Associate the BI$ file extension with the correct application.
Update your software that should actually open decompress with unpack.exe.s. Because only the current version supports the latest BI$ file format. Search, therefore, e.g. on the manufacturer website after an available MS Compressed BI update.
To make sure that your BI$ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .BI$ file online - secure, fast, and no downloads needed.