You need to think about where the 'number of prints' gets stored. It appears Graham's addin saves the number in the template itself. This would work brilliantly if only one person does the printing but it won't be much use if prints can be made from many machines by many users.

If your users always access the same template from a network location then you could conceivably allow store the incrementing number in that template. However, for this to work, every user would need read/write access to the template and problems might arise if multiple users access it at the same time or someone damages the template in some way.

A more robust solution would be to store the 'number' in a separate file/database somewhere on the network where everyone has read/write access. You can then make the template read-only on the network or put copies on every machine but in either case, the template(s) would access the number store in just one central location.

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Andrew Lockton
Chrysalis Design, Melbourne Australia