ACOS Plus 1 project
File type: Various data file
A zsn file is a project file used by ACOS Plus 1, a project management tool for Microsoft Windows.
It stores project data for use by the software.
File type category:
Various data file
Date updated: October 6, 2026
The zsn file extension is associated with ACOS Plus 1, a Microsoft Windows application for project scheduling and time management.
A zsn file contains project information used by ACOS Plus 1 to manage project schedules and related time-management data.
Open a zsn file with ACOS Plus 1 on Microsoft Windows. Use the program's Open command and select the file.
To convert or export the project, open the zsn file in ACOS Plus 1 and use any export or Save As options available in the program.
Software applications that can open zsn files:
Microsoft Windows
Software applications that can edit zsn files:
Microsoft Windows
Software capable of saving zsn files:
Microsoft Windows
Software apps that create zsn files:
Microsoft Windows
Software apps that print zsn files:
Microsoft Windows
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