>> PYI file

PYI file format description

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

1 filename extension(s) found in our database.

.pyi - Cognos Model File

The PYI data files are related to Cognos. PYI file is a Cognos Model File. Cognos is a world leader in Business Intelligence solutions that improve and direct corporate performance. In Cognos Transformer version 8.x, models saved in binary format now use the .pyj file extension. In Transformer version 7.x, models saved in binary format used the .pyi file extension.

Data files
- / -
Cognos Model File related extensions:
Cognos Framework Manager Project
Cognos Local Authentication Cache
IBM Cognos Local Authentication Export
Cognos Cube File
Cognos Exported Model Data
Cognos Exported Binary Model Data

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

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

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

pgi, phi, pi, pti, pui, py, pyj, pyk, pyo, pyu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SPOCK PhiMap Data
Cognos Model File
pyUpSet UpSet Data
Punch! Home Design Texture Info
Publish-It Document
iPi Calculation 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 .pyi file format, then write to us!