If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .sp4

0 extension(s) and 2 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .sp4 file?
  • Which program can create the .sp4 file?
  • Where can you find a description of the .sp4 format?
  • What can convert .sp4 files to a different format?
  • Which MIME-type is associated with the .sp4 extension?
SuperCard Player File .sp45 file icon

SuperCard Player File

The SP45 file is a SuperCard Player File. SuperCard is a high-level development environment that runs on Macintosh computers, under OS 8 and 9, and OS X.
Category: Development files
Application: SuperCard
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.sch SuperCard Help Project
.scpcfg SuperCard Project Configuration
.st45 SuperCard Trial Project
.scx SuperCard SCX Help Project
.sc45 SuperCard Project
ShadowProtect Spanned Backup .sp1 file icon

ShadowProtect Spanned Backup

The SP1 file is a ShadowProtect Spanned Backup. ShadowProtect is a backup and system-restore program developed by StorageCraft.
Category: Archive files
Application: ShadowProtect
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
sp2, sp3, sp4, sp5
Related extensions:
.spi ShadowProtect Incremental Backup
.spwb ShadowProtect Write Buffer Data
.sp# ShadowProtect Incremental Image
.spf ShadowProtect Full Backup

Other types of files may also use the .sp4 file extension. If you have helpful information about .sp4 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.s4p EEsof Touchstone File
.spe WinSpec CCD Capture Data
.p4 Perforce P4 Data
.sp Supaplex Demo Data
.ps4 ETCBC Phrase Structure Data
.wp4 Corel WordPerfect Document

The .sp4 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sp (1), p4 (1), spt (1), spe (1), sl4 (1), cp4 (1), spr (1)

Can't open a .sp4 file?

If you want to open a .sp4 file on your computer, you just need to have the appropriate program installed. If the .sp4 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.sp4

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android