BT1 file format description

Many people often share .bt1 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 .bt1 files. To address this issue, we have created this page to offer assistance and guidance on handling .bt1 files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .bt1 files.

Our aim is to simplify the process and promote seamless use of the .bt1 file format.

1 filename extension(s) found in our database.

.bt1 - CBA III Battery Test Data

The BT1 data files are related to CBA III. The BT1 file is a CBA III Battery Test Data. CBA III is a computerized battery analyzer tool developed by Optim Engineering.

Data files
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CBA III Battery Test Data related extensions:
DivX Temporary Video Info
Atari Jaguar Binary Image
WildPackets Captured Data
FFmpegSource2 Media Index
Legit Log Viewer Log Data
Concordance Synonyms Data

Naturally, other applications may also use the .bt1 file extension. Even harmful programs can create .bt1 files. Be especially cautious with .bt1 files coming from an unknown source!

Can't open a .bt1 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 .bt1 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:

b1, br1, bt, btl, btq, btw, ft1, ht1, t1, tb1

Is it possible that the filename extension is misspelled?

There is a possibility that the .bt1 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 .bt1:

VTBuilder Terrain Data
VTrain Data File
Total Commander Cached Button Bar Icons
Macromedia Freehand Template
American Civil War Battle Data
Binary Terrain Data

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

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