Files with psisheet extension might be successionally found as ancient data sheet from Psion 5 devices.
Software that open psisheet file
PSISHEET file extension - Psion 5 sheet
What is psisheet file? How to open psisheet files?
File type specification:
File extension psisheet is related to some very old spreadsheet format used on Psion 5 series of PDAs. It's a special, text based sheet format, but still can be imported to some software.
List of recommended software applications associated to the .psisheet file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open psisheet file, edit psisheet file, convert psisheet file, view psisheet file, play psisheet file etc. (if exist software for corresponding action in File-Extensions.org's database).
Software that import psisheet file - Psion 5 sheet
Programs supporting the exension psisheet on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Gnumeric for import psisheet file action.