If you would like your files in a folder, first create a folder by choosing New Folder. Add Open Files: add all PDF files open in A PDF Portfolio contains multiple files assembled into an integrated PDF unit. Open it and choose File from the top toolbar. Then double-click on the folder to open it, and choose the + button to add files to the folder To create PDF portfolios in Adobe Acrobat Pro DC, choose “File| Create| PDF Portfolio ” from the Menu Bar. Doing this then opens the “Create PDF Portf