OPI file format description

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

2 filename extension(s) found in our database.

.opi - Adlib Express OCR Processing Information

The OPI data files are related to Adlib ExpressRecognition Server. The OPI file is an Adlib Express OCR Processing Information. Adlib Express is a document transformation tool that enables businesses and professional practices to standardise and automate file formats. The OPI file contains the configuration settings to perform zonal OCR on a document. It is used by Adlib Software OCR products.

Adlib ExpressRecognition Server
Data files
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Adlib Express OCR Processing Information related extensions:
3Shape Order Exchange Format Data
3DVIA Virtools Behavioral Object
EncryptOnClick Encrypted File
MikroTik Router OS Upgrade Package
SIMATIC WinCC User Archive Export
VLBI Experiment Definition Data

.opi - OpenPanorama Image File

The OPI data files are related to OpenPanorama. The OPI file is an OpenPanorama Image File. OpenPanorama is an open XML-based the panoramic file format standard.

Data files
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OpenPanorama Image File related extensions:
OpenPanorama Lensflare File
OpenPanorama Panorama File
OpenPanorama Visit File

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

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

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

ipi, lpi, oip, oli, op, opj, opk, opl, opo, opu, pi, poi, ppi

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Lifo-Pro Producer Price Index
Origin Project
Cadence OrCAD Project
OmniPage Job Data
OpenPAT Report Data
Microsoft Windows Installer Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> OPI file