15: Adobe Acrobat Xi Pro 11.0

If you are still using this version, here are fixes for frequent problems:

Before Acrobat XI, editing a PDF was often a clumsy affair involving converting the file to Word and back again. Acrobat XI Pro introduced a revolutionary point-and-click editing interface. Users could edit text and organize pages within a PDF file as easily as they would in a word processor. It automatically reflowed text and adjusted pagination, a feature that felt like magic at the time. Adobe Acrobat Xi Pro 11.0 15