>> OPA file

OPA file format description

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

3 filename extension(s) found in our database.

.opa - OPA Source Code

The OPA development files are related to OPA. The OPA file is an OPA Source Code. OPA is an open source programming language for developing scalable web applications.

Development files
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OPA Source Code related extensions:
Esterel Unsorted Circuit Code
Modula-3 Interface Source Code
Interface Development Kit Archive
WiX Object File
Euphoria Include File
TAC Script

.opa - Psion OPL Translated Application

The OPA development files are related to OPL. The OPA file is a Psion OPL Translated Application. Open Programming Language (OPL) is an embedded programming language for portable devices that run the Symbian OS.

Development files
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Psion OPL Translated Application related extensions:
Psion OPL Add-file List
Psion OPL Batch File
Psion OPL Object

.opa - Fly! RAW Image Opacity Data

The OPA game data files are related to Fly!. The OPA file is a Fly! RAW Image Opacity Data. Fly! is a flight simulator for PC and Apple Macintosh computers developed by Terminal Reality.

Game Data files
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Fly! RAW Image Opacity Data related extensions:
ROSE Online Data
Insaniquarium Deluxe Fish Data
Fly! Map Data
ROSE Online NPC Zscript
Motocross Madness 2 Video
LaserTank High Scores Data

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

Can't open a .opa 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 .opa file extension is often given incorrectly!

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

ipa, kpa, lpa, oa, oap, ooa, op, opq, opw, opx, opz, pa, poa, ppa

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

LPA View Data
OpenAccess Database
Microsoft Organization Chart Document
Origin v8 Package File
Psion Organiser OPX Library
Eschalon: Book I Game Data

Operating systems 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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