Wow!

That actually appears to work !!!

Thank you so much for your collective input. I will run some tests ansd make sure it is extracting the sub-set I need but, right...

Many thanks for your considered and interesting reply.

I have just run your code and I get the same number of documents exported.

Thanks for your replies !

Images of the relevant tables/fields now included. I could sanitise the test database I am using and provide a copy of that as well, if required.

Basically...