Varieties of CS3 Files

Primary CS3 File Association

.CS3

File Format:	.cs3
Classification:	Casio WK-1800 Keyboard Output File

CS3 file extension is chiefly connected to an audio output format that’s recorded by Casio Keyboard WK-1800. This is a portable 76-key keyboard with a Drive for Floppy Disk used for audio playing and storage. The CS3 files stores single song made using the Song Sequencer.

Organization:	Casio Computer Co., Ltd.
File Category:	Audio Files
Key:	HKEY_CLASSES_ROOT\.cs3

Software Programs That Open The Casio WK-1800 Keyboard Output File:

WK-1800 by Casio Computer Co., Ltd.

Windows

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Understanding CS3 Issues

Issues Opening CS3 Files

WK-1800 is Not Installed

When you double-click your CS3 file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". Customarily, this means that WK-1800 is not installed on %%os%%. Your operating system cannot associate your CS3 with WK-1800, so double-clicking the file won't work.

Tip: If you know of another program that can open your CS3 file, you can try opening it by selecting the application from the programs listed.

Outdated WK-1800

Your Casio WK-1800 Keyboard Output File file is incompatible with WK-1800 because you might have the wrong version installed. If you do not have the proper version WK-1800 (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is predominately due to having a Casio WK-1800 Keyboard Output File file version that was created by a newer version of WK-1800 than what you have installed on your PC.

Tip: Right-clicking on your CS3, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Ultimately, most of the difficulties opening CS3 files are due to having the wrong version of WK-1800 installed.

More Causes of Problems Opening CS3s

Errors opening Casio WK-1800 Keyboard Output File files can still occur even with the latest WK-1800 software installed on your computer. Other CS3 opening errors can be created by other system problems inside of %%os%%. These issues include:

• CS3 file type Registry entries are wrong
• The CS3 file description within the Windows Registry was removed
• Invalid installation of a CS3-associated program (eg. WK-1800)
• The CS3 itself is corrupted
• Malware-tainted CS3 file can't be opened
• Device drivers of the hardware associated with your CS3 file are corrupt or out-of-date
• Windows has inadequate resources to open your Casio WK-1800 Keyboard Output File file