This post will show you how to export an InDesign file to Excel. You can use InDesign ... Go to the paste button on the top menu bar. Click the drop-down arrow on the paste button to reveal ...

Now you can see some options listed in a popup window. You need to select Export to a file from the list and click the Next button. Then, you will have two options, i.e. CSV and PST. You need to ...

Especially if you no longer have access to the source of the PDF file -- or didn't create it in the first place -- going back to the original document and trying to export it may not be an option.