Open alt3 file
Did your computer fail to open alt3 file? We explain what alt3 files are and recommend software that we know can open your alt3 files.
What is alt3 file?
An alt3 file extension is related to the Adobe PageMaker. An alt3 file stores document template.
alt3 file description
The alt3 file extension is associated with the Adobe PageMaker for Mac.
The alt3 file contains PageMaker document template.
Most likely some old format without support. No further information could be found.