Thank you very much for your reply.nActually the space is occupied by the result file which is in GBs, and when it is saved seperately in a backup folder it takes much space.nIs there any way to clear the option of creating backup in ANSYS WORKBENCH? nWhenever I save my data the file.backup is created. It takes 50 or 60 GB and still more when a transient FSI simulation is running...and copying in the backup everything. nA few months ago I did not have this problem.nWaiting for any kind response furthernRegardsnTayyaban