An sp4 file extension is related to the 20-20 worksheet format.

There is one other file type using
the SP4 file extension!

empty icon.sp4 - Roller Coaster Tycoon saved game file

Detailed description

Software that open sp4 file

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SP4 file extension - 20-20 worksheet

What is sp4 file? How to open sp4 files?

File type specification:

Document file type icon Document file type

The sp4 file extension is associated with the 20-20, a family of CAD designing programs for Microsoft Windows, developed by 20-20 Technologies.

The sp4 file contains worksheet from these apps.

The default software associated to open sp4 file:

20-20 Design picture or screenshot

20-20 Technologies logo20-20 Design  Microsoft Windows software

Company or developer:
20-20 Technologies

20-20 Design is one of the leading interior design and planning software in the the industry.

Help how to open:

Use compatible tools to open *.sp4 files.

How to convert:

Compatible tools may be able to export *.sp4 files to other formats.

List of software applications associated to the .sp4 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 sp4 file, edit sp4 file, convert sp4 file, view sp4 file, play sp4 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting sp4 files.

Software that open sp4 file - 20-20 worksheet

Programs supporting the exension sp4 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about 20-20 Design for open sp4 file action.

Microsoft Windows:

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