Altium NEXUS Documentation

Sch_Dlg-SchConfirmFileFormatFormFile Format (SCH) _AD

Created: June 22, 2020 | Updated: June 22, 2020
Now reading version 3.2. For the latest, read: File Format (SCH) for version 5
This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer (with Altium Designer Enterprise Subscription) and a connected Altium 365 Workspace. Check out the FAQs page for more information.

The File Format dialog
The File Format dialog


The File Format dialog allows you to save the schematic document in a different file format.


The dialog is accessed after modifying a binary version 3.0, or 4.0, or 5.0 schematic document then clicking File » Save from the main menus.


  • SCH Binary Version 5.0 - select to save the current schematic document in SCH Binary version 5.0 format. This is the recommended option.
  • SCH Binary Version 4.0 - select to save the current schematic document in binary form, using the version 4.x format. The features introduced in Altium NEXUS will be lost in this format.
  • SCH ASCII Version 5.0 - select to save the current schematic document in a text file using the version 5.0 format.


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