>> OPAL file

OPAL file format description

Many people share .opal files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .opal file can be edited, converted or printed with. On this page, we try to provide assistance for handling .opal files.

1 filename extension(s) found in our database.

.opal - Microsoft Office Language Specific Resources

The OPAL data files are related to Microsoft Office. OPAL file is a Microsoft Office Language Specific Resources. The Office Customization Tool or OCT is the main client customization tool for Microsoft Office. This tool is part of the Setup program and is included only in volume license versions of Office.

Microsoft Office
Data files
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Microsoft Office Language Specific Resources related extensions:
Universal Pokemon Randomizer Data
Terragen Surface Map Data
Photo! 3D Album Gallery
Plant Wizard 7 Data
Terragen Object File
Terragen Clip File

Naturally, other applications may also use the .opal file extension. Even harmful programs can create .opal files. Be especially cautious with .opal files coming from an unknown source!

Can't open a .opal file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .opal file extension is often given incorrectly!

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

opa, opl, pal

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

OPA Source Code
Corel Colour Palette
OpenPanorama Lensflare File
Dr. Halo External Color Palette

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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