I have a 100ns simulated file.(md.xtc) I need to extend to another 100 ns. do i need to make any change to mdp file.? I used the command *gmx convert-tpr -s md.xtc -extend 100000 -o extend.tpr* *gmx mdrun -v -deffnm extend.tpr* -- *Regards,* *Rahul Suresh* *Research Scholar* *Bharathiar University* *Coimbatore*