How to determine with which version a file was authored

Created: March 30, 2021 | Updated: August 12, 2021

Is there a way to determine which version of Altium Designer was used to create a project or design?

Starting in Version: 18.0
Up to Version: Current

Solution Details

Unfortunately there is no specific information within a file to detail which version of the software it has been edited in, therefore there is no information on version for authoring nor editing.
If you need to monitor the version of software that was used to author a file or make any subsequent edits you will need to do it independently of the inherent file properties.
You may need to add a change list to the project, e.g. a schematic document with a list of the authoring version and any versions used for subsequent edits.
The good news is that the PCB files created by all versions of Altium use the same file format, so they are forward and backward compatible.  New features like Advanced Layer Stack manager or unlimited PCB Mechanical Layers with Layer Types from AD20 may not be supported in older versions.
When you open a PCB modified by a newer or older version, an html report will open describing any unsupported or converted features (if any.)  The report informs you that the document was created in an older or newer version of the software and provides some information on features of the opened document that may be lost or have changed.  This can be turned off in Preferences PCB Editor General File Format Change Report.  Here's documentation with more detail:

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