There are 14 other file types using
the DAT file extension!

empty icon.dat - Program data [common]

dat icon.dat - Video CD MPEG movie MPEG1 [common]

empty icon.dat - Game data [common]

empty icon.dat - Sony Digital Audio Tape

dat icon.dat - Microsoft Internet Explorer cache

dat icon.dat - SPOT image format

empty icon.dat - Unreal Tournament game data

dat icon.dat - Nero BackItUp drive image

empty icon.dat - Shareaza thumbnail

empty icon.dat - Thumbnail cache

empty icon.dat - SWAT database

empty icon.dat - Tecplot ASCII data

empty icon.dat - Barudan Embroidery format

empty icon.dat - Prince of Persia game data

DAT file extension - Bitcoin wallet

What is dat file? How to open dat files?

File type specification:

Various data file type icon Various data file type

File extension dat is also associated with the Bitcoin P2P payment service used to operate with no central authority or banks, managing transactions and the issuing of bitcoins is carried out collectively by the network.

This specific wallet.dat file stores transaction data and all other related information (keys, metadata, options) about your Bitcoin activity. It contains:

  • keypairs for each of your addresses
  • transactions done from/to your addresses
  • user preferences
  • default key
  • reserve keys
  • accounts
  • a version number
  • Key pool

By default, the Bitcoin wallet.dat file and other related data are stored in:


At first start of Bitcoin app you will be prompted to set the place of Bitcoin data folder. Bitcon data folder can take about 20 GB of storage space.

If you need to create new Bitcoin data folder later: create a new folder on your hard drive, open command line, go to the folder where is Bitcoin Core installed:

C:\Program Files\Bitcoin

and type:

bitcoin-qt.exe --datadir=path\to\new\location

for example:

bitcoin-qt.exe --datadir=D:\mydata\bitcoindata

The default software associated to open dat file:

Bitcoin Core icon

Bitcoin Core  Multiplatform software

Company or developer:
Bitcoin Project

Bitcoin Core is default Bitcoin client that builds the backbone of the network available for Microsoft Windows, Apple Mac OS X and Linux operating systems. It offers the highest levels of security, privacy, and stability.

Related articles:

How to open DAT files

Help how to open:

Use Bitcoin Core or similar tool to access .dat Bitcoin wallet files.

How to convert:

There is no need for this file type to be converted to anything else.

List of software applications associated to the .dat file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dat file, edit dat file, convert dat file, view dat file, play dat file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dat files.

Software that open dat file - Bitcoin wallet

Programs supporting the exension dat on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Bitcoin Core for open dat file action.


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