I am trying to edit an Indesign cs5 file a customer provided. However some how he used 25 spot colors when making this file. Thats even though he only really has three colors used in the design. So I am attempting to match some of his colors in order to make edits and i need to know how to convert them to cmyk. Also I would like to know how to elemenate all of his unused spot colors so that I can use the over print preview. As it stands I get an error saying there are too many spot colors used to create an over print preview. Before any one recomends that I have the customer recreate it, this customer is old and is convinced he has done everything correctly and refuses to make any changes. In his words " I've been doing this for twenty years and I know what I am doing."
I would open the swatches panel flyout menu and Select All Unused Colors and delete them (other than the CM and Y default swatches).
Will any spot colors be used to print this at all? If not, you can simply go to the Ink manager and check the box to Convert All Spots to Process. If only some need to be converted, you can do that in the ink manager too.
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