Working with two pdfs at the same time in Adobe Acrobat DC Pro

[lindaw7312369]

Help!

I am trying to edit one pdf using Adobe Acrobat DC pro comment tools.  I have to be able to look at another pdf to be able to do the work I want to do.  I was able to do this using my two screens until today.  Now, when I open the second pdf, it only opens behind the first pdf.  When I try to move one pdf to a different screen, both of them go.

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[Test Screen Name]

You say behind - but do you mean they open in tabs? If so just drag the tab out of the window to make two separate windows.

[lindaw7312369]

Yes, they are open in tabs.  When I drag the tab out of the window, both documents move.

[Test Screen Name]

Do you see two tabs (one for each document) before you start dragging? Make sure you drag from the tab, not the window title bar.

[lindaw7312369]

One document opens up directly in front of the other. I don't see two tabs.  The only way I know how to drag is to click and hold the very top of the document and drag.  When I do so, both documents go.

[Test Screen Name]

What is the full version number of the software, shown by Help > About? Lots of dots and digits.