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We are not done with the this document yet, but for now let's save this. If I go to File, Save, right here, we also have Save As and Save a Copy. If I choose Save a Copy, this document will stay open in front of us in its current state and it will save an exact replica wherever I choose to save it.

If I choose Save As, it will save the document as it is right now wherever I tell it, with whatever name I tell it, and we will be working in that version of the document. Let's just hit Save As.

Let's go back to that Project Files folder, Chapter 02, and look down here under Format. Notice that we can choose to save this as a document or a template. If we save it as a template, whenever we use it in the future, it will open as an Untitled Document. For this exercise, let's just save it as a Document. Do you see in this window anywhere that we can back version this document to a previous version of InDesign? No, because it's not there. So let's hit Cancel.

If we want to save this back to a previous version of InDesign, we need to go to File, Export. I am going to save this in the Project Files folder, Chapter 02, and under Format down here at the bottom, I am going to choose InDesign Interchange Format. When I export this as an INX file, you can see it right there, INX as an InDesign Interchange Format. I can go from InDesign CS3 back to InDesign CS2. You have to make sure that the user of InDesign CS2 has the most recent patches for it to be able to read this file.

I can take an InDesign CS2 file back to InDesign CS using the same method. I can't go for InDesign CS3 back to InDesign CS. When you export this as a .INX file or InDesign Interchange Format file whichever you want to call it, you want to be really careful to proof it before you go any further with the project. I personally would never send an InDesign Interchange Format file to a printer for final output. I would use them early in the collaborative process to exchange documents, but at some point, once the design gets final, then from then on, I would leave it in its current version.

If I save this as an INX file as I just did, File, Open just as if it was a regular InDesign document, I can click on the .INX file there and hit Open. You will notice it came back up. You will notice some differences. Let's compare the two. One has the ink alias applied, this one does not. There are little things like this that can cause discrepancies between the INX file and your final state of your document that again makes me not want to use an INX file as a final exchange format for my documents.

We are not done with the this document yet, but for now let's save this. If I go to File, Save, right here, we also have Save As and Save a Copy. If I choose Save a Copy, this document will stay open in front of us in its current... click to read more