The HOI4 file extension presents saved game positions for Hearts of Iron IV. Created by Paradox Interactive, this WW2 strategy game lets users save progress as HOI4 files. To open these on Windows, pl...
The HOI4 file extension presents saved game positions for Hearts of Iron IV. Created by Paradox Interactive, this WW2 strategy game lets users save progress as HOI4 files. To open these on Windows, place files in default Save Game folder. Files will then load when playing Hearts of Iron IV. No current way exists to convert HOI4 saves to other formats.
To open HOI4 files, update Hearts of Iron IV software. Old versions may not support current HOI4 file format. Free online tools also available to view, edit, convert, merge, split, and compare HOI4 files without installing anything.
HOI4 files categorized as Game Files, along with 1509 other types. Most popular with Windows 10 users in China accessing our website via Google Chrome. Developed by Paradox Development Studio for Hearts of Iron IV.
Possible HOI4 file extension issues: incorrect association with unsupported programs, misspelled extension variation being unrecognized. Best to scan any HOI4 files from unknown sources with antivirus software before opening, as malware could use this extension.
Hearts of Iron IV