BDY file format description

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

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

1 filename extension(s) found in our database.

.bdy - DMAP Boundary Data

The BDY data files are related to DMAP. The BDY file is a DMAP Boundary Data. DMAP for Windows is mapping software designed specifically for producing Distribution Maps and Coincidence Maps which are displayed in colour on-screen, with multiple zoom capability.

Data files
- / -
DMAP Boundary Data related extensions:
DMAP Names Dictionary Data

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

Can't open a .bdy 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 .bdy 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:

bd, bdg, bdh, bdt, bsy, bvy, bxy, by, byd, dby, gdy

Is it possible that the filename extension is misspelled?

There is a possibility that the .bdy 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 .bdy:

Badge Designer 2000 Data
BudgetExpress Data
Dolby CP650 Data
VTrain Learning Card
Novapoint Triangle Model
Breevy Text Snippet

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 .bdy file format, then write to us! >> BDY file