# How do I swap two layers in altium?

I have two inner layers in altium for a flex cable, I want to swap one copper layer with the other without having to delete or copy everything. Is there a way to swap two PCB layers while maintaining everything on that layer?

The easy way is to just tell the board shop what order you want, or to imply the required order by renaming the Gerber files to indicate the desired order.

I provide a readme.txt file with a board order containing the following (among other information):

The following files are required for this job:
alarm-Front.GTL   Component side copper photoplot file
alarm-Back.GBL   Solder side copper photoplot file
alarm-SilkS-Front.GTO   Component layout silkscreen