Instant File Opener script
File type: Source code and script file
Files with ifos file extension are scripts used by Instant File Opener.
Instant File Opener is a Microsoft Windows program that automates opening files.
File type category:
Source code and script file
Date updated: October 7, 2026
The ifos file extension is associated with Instant File Opener, a Microsoft Windows software application developed by Marcel Tetrault. The application uses these files to automate the opening of files.
An ifos file contains a script for Instant File Opener. It is therefore a program-specific source code and script file rather than a standalone document.
Use Instant File Opener on Microsoft Windows to open and run an ifos file. The file is intended to be interpreted by that software.
An ifos file is a program-specific script and has no standard conversion to another file format. To use its instructions with different software, the script would need to be rewritten for that software.
Software applications that can open ifos files:
Microsoft Windows
Software apps that create ifos files:
Microsoft Windows
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