With the huge amount of data we collect on our mobile phones today, there's likely a high chance you'd like to access those files and either archive them or share them with friends on Facebook.
Digital photos, contact lists, MMS and SMS messages, applications you've purchased; the list goes on. With these free software applications, you can access your mobile phone filesystem directly and download the data which is stored on your mobile device such as phones or tablets.
The easiest filesystem to access is certain Android, but you can also find programs here which give you direct access to Apple iPhone/iPads and Windows phone.
In general, many of these applications function in a similar fashion to Windows Explorer and other popular file management applications.