I'd like to recommend alternative for HTC sync manager, which can support most android phones besides HTC. And, with this, you can easily manage the data like contacts, text messages, memos, music and more.
HTC introduced HTC Sync Manager for some selected devices that make the syncing more fun and easier. They say it syncs your world in style.
In order to transfer multimedia (Music, Video, Photos) from your computer to your phone, do these steps:
HTC announces the Supported Devices are:
HTC One, HTC J Butterfly, HTC Droid DNA, HTC One VX, HTC One SV, HTC One X+, HTC One S Special Edition, HTC Desire X, HTC One SC, HTC One SU, HTC One X, HTC One XL, HTC One XC, HTC One S, HTC One V, HTC EVO 4G LTE, HTC Droid Incredible 4G, HTC J, HTC Desire C, HTC Desire VC, and HTC Desire V.