Files with hoi4 suffix can be usually found as saved game positions from Hearts of Iron IV WW2 grand-strategy game.

Detailed description

Software that works with hoi4 file extension

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HOI4 file extension - Hearts of Iron IV saved game

What is hoi4 file? How to open hoi4 files?

File type specification:

Game file type icon Game file type

The hoi4 file extension is likely only associated with Hearts of Iron IV, the latest installment of the WW2 grand strategy game series from Paradox Interactive.

A .hoi4 file presents saved game position.

The default software associated to hoi4 file type:

Hearts of Iron IV icon

Paradox Interactive logo Hearts of Iron IV  Microsoft Windows software

Company or developer:
  Paradox Interactive

Hearts of Iron IV is the sequel to Paradox Development Studio's game Hearts of Iron 3. It covers the time period from 1936 to 1948, focusing on the buildup to the Second World War and the war itself.

Help how to open HOI4 files:

When placed in the default Save Game folder (In documents), you will be able to load the saved position.

How to convert file with extension HOI4:

There is no way how you can convert .hoi4 saves to anything else.

List of recommended software applications associated to the .hoi4 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open hoi4 file, edit hoi4 file, convert hoi4 file, view hoi4 file, play hoi4 file etc. (if exist software for corresponding action in's database).

  • Others hoi4 file

Unspecified and all other actions for computer programs working with hoi4 file - Hearts of Iron IV saved game

Click on the software link for more information about Hearts of Iron IV. Hearts of Iron IV uses hoi4 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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