The PDF documents you want to mix, can be selected by drag and drop or using the
Add button. Once the PDF documents are loaded you can right click on it to show the context menu where some functionalities are available.
You can change settings to reverse the documents by changing the value in the
Reverse column, and you can also set how many pages PDFsam should take from one document before it switches to the other one by changing the value in the
Encrypted PDF documents show a icon on their right. You have to provide the unlock password in order to mix them and to do so just click on the lock icon.
In Destination file users can choose the name of the resulting mixed PDF document and few other options.
Once all the options are properly set you can mix the PDF documents by clicking the
Run button. If no error occurs, the progress bar will grow until it is fully colored and a friendly ding sound will tell you that your document is ready.