File Extension CALS

.CALS File

File extension: CALS
File type: CALS Raster

Notes about the CALS file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The CALS file type is primarily associated with 'CALS Raster'. The CALS bitmap format was developed in the mid-1980s to standardize on graphics data interchange for electronic publishing for the federal government. CALS = Computer Aided Acquisition and Logistics Support. This extension is captured by several graphics programs to include Graphics Converter Pro, Paint Shop Pro, and PhotoPhilia.

Detailed information for file extension CALS:

Primary association: CALS Raster
Mime type: image/cals, image/x-cals
Identifying characters Hex: 73 72 63 64 6F 63 69 64 3A , ASCII: srcdocid:
Program ID: GraphicsConverterPro.cals , PaintShopPro8.Image , PhotoPhilia.File_cals
Related links: XnView
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension CALS click this link to expand/hide the additional area.

System Info for File Extension .CALS

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: PaintShopPro8.Image
EXEFile: %ProgramFiles%\Jasc Software Inc\Paint Shop Pro 8\Paint Shop Pro.exe /dde

ProgramID: PaintShopPro9.Image
EXEFile: %ProgramFiles%\Jasc Software Inc\Paint Shop Pro 9\Paint Shop Pro 9.exe /dde

ProgramID: CPCView.CalsDoc
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe %1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: PaintShopProX.Image
EXEFile: %ProgramFiles%\Corel\Corel Paint Shop Pro X\Paint Shop Pro X.exe

ProgramID: SnapfireI.Image
EXEFile: %ProgramFiles%\Corel\Corel Snapfire Plus\Corel Snapfire.exe

ProgramID: CPCView.CalsDoc
EXEFile: %ProgramFiles%\MOZILL~1\FIREFOX.EXE

ProgramID: MyViewPad.cals
EXEFile: %ProgramFiles%\My ViewPad\MyViewPad.exe

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