KB: How can I copy everything to a new PCB

Solution Details

There are a few issues for which this procedure may resolve issues you are having.  To copy everything to a new PCB:
 
First get a copy of everything you'll need from the old PCB

1  Design » Layer Stack Manager » File » Save (Template) As… (just Save As… for newer versions)
2  Design » Rules:  Right-click in left panel of Rules Editor and choose Export Rules, then use ctrl+A to select all, OK, pick a folder - Save
3  Copy all components /primitives - ctrl+A in the PCB then ctrl+C, select a reference point

 
Then create a new PCB and put everything in it.

1  Design » Layer Stack Manager » File » Load Template…  (Load from File… for newer versions)Then use ctrl+S to save the stackkup to the PCB
2  Design » Rules:  Right-click in left panel of Rules Editor and choose Import Rules, then use ctrl+A to select all, OK, pick the file, click Open, Yes to clear existing rules, OK. 
3  Use Edit » Paste Special with only keep net name checked to paste all components /primitives from the old board. 

 
Find a layer with the board outline, click on a section of the outline, use the tab key to select it all, then use Design » Board Shape » Define from selected objects. 
 
Use Edit » Origin » Set  to put the origin where you want it.
The layer names do not come over, so you'll have to compare the old and new to get them renamed.
Split & Bend lines, and plane assignments will also need to be re-done.