If you saved it on a CompactFlash card, then yes, it is easy. Juste remove the CompactFlash from the PV+ and then put it in your computer. You will have access.
The file .log that is created when PV+ logs data, is the one who has the information loged. And in order to open it in a CSV format you will need the RSView_Enterprise_File_Viewer1603 that you can download in the answer id 33924 "RSView Enterprise File Viewer Utility to Read and Save ME, SE Datalog Files, ME Alarm Log Files, and dBASE Files" in the allen bradley knowledgebase (http://www.rockwellautomation.com/knowledgebase/), only if you are working with factorytalk ver. 5.0. If not, maye you can check the answer id 21174 "Machine Edition Data Logging Utility".
The tool RSView_Enterprise_File_Viewer1603 is a software in which you can analize and plot data, but also you can save the file as a CSV format which you can open with excell.