A daily updated filename extension database!

PYI file extension

The table below provides useful information about the .pyi file extension. It answers questions such as:

  • What is the .pyi file?
  • What program do I need to open a .pyi file?
  • How can the .pyi file be opened, edited or printed?
  • How can I convert .pyi files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Cognos Model File

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.
PYI format description not yet available
Category: Data files
Application: Cognos
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PYI aliases:
PYI related links:
PYI related extensions:
Cognos Cube File

Cognos Local Authentication Cache

Cognos Framework Manager Project

IBM Cognos Data

IBM Cognos Local Authentication Export

Cognos Transformer Temporary Data

Cognos Exported Binary Model Data

Cognos Exported Model Data

Other types of files may also use the .pyi file extension.

🚫 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?

We found the following similar file extensions in our database:

Python Script
Python Optimized Code
pyStk Output Data
Panasonic SD Recorder Timestamp Data
Cognos Model File
Publish-It Document
SPOCK PhiMap Data
iPi Calculation Data
Blazing Paddles Bitmap
FM Towns Bitmap Image

🔴 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .pyi file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .pyi file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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