What is the VDB3 file format?
A file with the .VDB3 extension is a file known as VistaDB Database. It belongs to the Database Files category. This format is associated with Ancestry.com Inc..
The reliable way to open a .VDB3 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .VDB3 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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