Hello Nusaram,
Welcome to Microsoft Answers Forum!
You can check if there is a updated version of Directory Opus for Windows 7. Since this Software works for your File System, there should be an updated version to work for Windows 7.
You can refer the below link for the support options for Directory Opus:
THIRD PARTY SOFTWARE DISCLAIMER
Using Third Party Software, including hardware drivers can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the use of Third Party Software can be solved. Using Third Party Software is at your own risk.
I hope that this information helps.
Thanks,
Irfan H, Microsoft Answers Support Engineer. Visit our Microsoft Answers Feedback Forum and let us know what you think.