.BHO File Extension

A .BHO file is a Behold Organize File, created by Louis Kessler.

Open with Behold. Available for Windows.

What is a .BHO file?

The .BHO file extension is associated with a type of file known as a Behold Organize File. These files are specifically created by a software program called Behold. Behold is designed for people who are interested in genealogy, which is the study of families and the tracing of their lineages and history. The main purpose of a .BHO file is to work alongside GEDCOM (.GED) files. GEDCOM files are a standard format for storing genealogy information, and they contain details about family histories, such as names, birth dates, and relationships.

A .BHO file does not store the genealogy data itself. Instead, it contains information on how to organize and display the data from the GEDCOM files. This means that it can tell Behold how to format the family tree or genealogy charts, making it easier for users to view their family histories in different styles or layouts. For example, a .BHO file might specify how to group family members, how to highlight certain ancestors, or how to arrange the information on the screen.

To open and work with a .BHO file, the primary software you would use is Behold. Behold allows users to not only open these files but also to edit them. This means you can change how your genealogy data is displayed by modifying the .BHO file in Behold. However, because .BHO files are saved in a plain text format, they can also be viewed with any basic text editor, like Notepad on Windows or TextEdit on Mac. While using a text editor won't give you the full functionality that Behold offers for organizing and displaying genealogy data, it does allow you to see and edit the contents of the .BHO file directly. This can be useful for making quick changes or for understanding how the file structures its information.


Our goal is to help people find the most up-to-date information about file extensions for Windows, Mac, Linux, Android and iOS. We researched over 10,000 file extensions and their respective programs that open those files. If you want to suggest edits or updates about .BHO file formats, example files, or programs that are compatible. Please contact us.

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