Open ARK file

The most commonly used .ark file type: ARC File Archiver CPM/Port archive

What is ark file? Understanding and opening ark files

ark file icon Are you facing difficulties opening ark files on your computer, or wondering exactly what ark file is?
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.ark file type #1: ARC File Archiver CPM/Port archive

Files with ark extension can be most often found as special archive files created by the CPM/Port of ARC File Archiver.

Further details

File extension ark is related to ARC, a lossless data compression and archival format by System Enhancement Associates (SEA). It was very popular during the early days of networked BBS.

The file format and the program were both called ARC.

The ARC program essentially made obsolete the use of combinations of the SQ program to compress files and the LU program to create .LBR archives by combining the functions of both compression and archiving into a single program.

ARC compresses multiple files into one - but unlike ZIP, not entire directory trees. The arc format was the subject of quite a bit of controversy in the 1980s - an important event in the open source debate.

MIME types:

Open ark file with:

FreeArc icon


A multi-platform archiving application

.ark file type #2: OpenBook document

An ark file suffix is related to the OpenBook app for converting printed documents to electronic text format. An ark file stores document.

Further details

The ark file extension is associated with the OpenBook, a software for Microsoft Windows operating system, which allows users to converts printed documents to electronic formats.

The ark file contains documents from OpenBook program.

Open ark file with:


A document scanning and reading software

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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