updating old php

Hello, Currently our company is running a very old version of PhP. Is it possible to update form 2.0 to the most current available and not lose any information posted. TREVOR Jasper Technical Speacilist Trevorj@vantagecontrols.com 801.229.2800 x292 1061 South 800 East l Orem, Utah 84097 800.555.9891 l 801.224.0355 fax www.vantagecontrols.com <http://www.vantagecontrols.com/> Confidentiality Notice: This message is intended exclusively for the individual or entity to which it is addressed. This communication may contain information that is proprietary, privileged, confidential or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately either by phone (800.555.9891) or reply to this e-mail and delete all copies of this message.