v3.9 [Jun 26, 2014]
1. Added Google Drive support.
2. Support adding password to files in a bath.
3. Added support for full screen preview.
4. Modify the Help menu entrance.
5. Added support for replacing the page or pages.
6. Now you can modify pages by odd or even page.
v3.6 [Jan 25, 2014]
What's New in Version 3.6.0
1. Modified the window by using the style of Office 2013;
2. Optimized the interactive experience by displaying PDF files in multi-label mode;
3. Added a new function - Send to Evernote;
4. Fixed some bugs;
5. Added the OCR search mode.
v3.5 [Nov 25, 2013]
1.Supported compressing PDF files ;
2.Improved the stability;
3.Fixed minor bugs.
v3.2 [Aug 16, 2013]
1.Allowed users to combine a collection of different types of files into a single PDF;
2.Enabled users to convert PDF files in batch;
3.Reorganized menus in the ribbon;
4.Fixed minor bug.
v3.0 [Feb 4, 2013]
1.Supported PDF form filling, data import and export;
2.Supported PDF form creation with interactive fields;
3.Added defined and customizable stamps;
4.Supported signing PDF documents with digital signatures.
