File Extension Library


.HOI4 File Extension

  • Developer by: Paradox Interactive
  • Category: Game Files

What are .HOI4 files and how to open them?

Can't open .HOI4 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .HOI4 file.

What is a .HOI4 file extension?

.HOI4 file extension is created by Paradox Interactive. .HOI4 has been classified as Game Files.

.HOI4 is Hearts of Iron IV saved game

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.

The hoi4 file presents saved game position.


How to open:

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

How to convert:

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

How to fix problems with .HOI4 files

  1. You need to update the application that you normally use to open .HOI4 files. Only the latest version of the software supports the current .HOI4 file format
  2. You need to check the .HOI4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)