Microsoft Outlook SMS Add-in is a freeware add-in for Outlook 2003 and 2007 that allows you to send SMS text messages through any GSM mobile phone connected to your PC using Microsoft Office Outlook 2007 and Microsoft Office Outlook 2003 through infrared, Bluetooth, or USB/serial cable.

You can enter your SMS text within a Outlook-type entry form and have it sent to your mobile phone for delivery through your mobile phone network service. The SMS messages can be saved as a draft, grouped, and forwarded like standard Microsoft Outlook e-mail.

Complete Features include:

-Manage SMS messages just like emails – Save drafts, Sent items, Print
-Forward as email and SMS
-Lookup and resolve phone numbers to your existing Microsoft Outlook contacts
-Use speller and proofing tools
-Cut and paste text from other applications

In short, you can manage your SMS just like your emails. You also probably could try synching the SMS messages stored in Outlook folders with your Mobile device.

Download here