.DB3 File Extension
File TypeSQLite Database File
This file is saved in a binary format, which requires a specific program to read its contents.
What is a DB3 file?
Database file created by SQLite, a lightweight, self-contained database program that creates databases using plain files; contains the database structure as well as data records; used for storing and retrieving structured data using SQL.
A common SQLite DB3 file is PalmDatabase.db3, which stores personal information on the Palm Pre, including contacts, account information, and call logs.