>> OPO file

OPO file format description

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

1 filename extension(s) found in our database.

.opo - Psion OPL Object

The OPO development files are related to OPL. The OPO file is a Psion OPL Object. 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 Object related extensions:
Psion OPL Add-file List
Psion OPL Batch File
Psion OPL Image
Psion OPL Translated Application

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

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

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

ipo, lpo, oo, ooo, oop, op, opi, opk, opl, opp, po, poo, ppo

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

FreePascal Object
OpenPanorama Panorama File
OpenPanorama Image File
Origin Preprocessed Data
InstallShield Object Project
Source Insight Project Options 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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .opo file format, then write to us!