: Click and drag file thumbnails to change their sequence.

: Hover over a file and click the expand icon to see and reorder individual pages.

: You can add entire folders at once by selecting Add Folder under the Add Files menu.

Alternatively, go to > Create > Combine Files into a Single PDF .

: Before combining, you can access options to adjust the output file size (smaller vs. larger) based on your sharing needs. Combine files into one PDF - Adobe Help Center

To "put together" files in Adobe Acrobat Pro, you use the tool, which merges multiple documents (PDFs, Word docs, images, etc.) into a single PDF. Steps to Combine Files Open Acrobat Pro : Launch the application on your desktop. Access the Tool : Go to the Tools tab and select Combine Files .

: Select unwanted pages or files and click the trash can icon.