What is a IC1 file?
Developed by Atari, the IC1 file format found its use in the Atari ST Systems. It is a low-resolution bitmap which can be saved in either compressed or uncompressed form. These systems were released in 1985 and discontinued in 1993. The file extension has not found an alternate use since then and is now considered obsolete.
How to Open IC1 Files
How to Make IC1 Files
Exact steps for creating IC1 files will vary by program and operating system. Download one of the above listed programs and you should be able to follow typical procedure for opening files or creating files from the File menu. Typically you will select File > Open or File > New and continue through the prompts. Some programs may follow a different procedure for either creation or opening of files.