.DB File

.db is Mobile Device Database File

Features Description
File Extension .db
Format Binary,Text
Created by Microsoft
Category Database

The .db file extension is used by multiple applications and platforms for various purposes. Over the years, it has been associated with different file formats and database systems.


A file with the .db extension generally represents a database file. Databases are structured collections of data organized for efficient storage, retrieval, and management. The specific format and contents of a .db file can vary depending on the application or database system it belongs to.

Published Specifications

There is no standardized specification for the .db file extension itself, as it can be used by different applications and databases. However, individual database systems often have their own specifications for storing and accessing data within .db files.

How to Open and Use?

The method of opening and using a .db file depends on the application or database system associated with it. Here are a few examples:

  • Mobile Device Database File: These .db files are typically specific to mobile devices and can be accessed through relevant applications or software development kits (SDKs) provided by the device manufacturer or third-party developers.
  • Windows Thumbnail Cache File: Windows thumbnail cache files can be opened using built-in Windows tools or third-party applications designed to manage and view thumbnail caches.
  • Database File: Generic database files can be opened and used with appropriate database management systems (DBMS) such as SQLite, MySQL, Oracle, or Microsoft Access. These DBMS software provide interfaces to create, query, and manipulate databases.
  • QQ Account Database File: QQ, a popular instant messaging platform in China, may store account-related data in .db files. These files can be accessed using QQ's official software.
  • X-Ray Engine Database: The X-Ray Engine, used in video games such as S.T.A.L.K.E.R., employs .db files to store game data. These files are accessed through the game's engine and editing tools.
  • Skype Chat History File: Skype stores chat history in .db files. Users can access and view these files through the Skype application.

How to Convert?

The conversion of .db files depends on the specific file format and the tools available for that format. Some databases provide built-in export functionalities to convert the data to other formats, such as CSV or XML. Additionally, third-party software and libraries can often assist in converting .db files to different formats.

Is the File Safe, a Virus, or a Spy?

The safety of a .db file depends on its source and content. In general, .db files are not inherently dangerous. However, like any other file, they can potentially contain malware or be manipulated to perform malicious actions. It's always essential to use caution when opening files from untrusted sources and ensure you have up-to-date antivirus software installed on your system.





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