I am reading a FLUENT case file that was created and originaly written on a different computer. When I read and run this case file on my current computer I get an "Error writing" because it is using the same path where it was originally written. How can I change the directory where the case is written so I don't get this error.

You would have to write the case and Data again once you read your stuff.

Ajay, I have tried that many times. It will read from the current directory, but tries to write to the old path. See below.

Reading "c:\fluent\eugene\5pipes\5pipesallref with water3.27-.18-277test.dat"... Done.

iter energy p-18 p-20 p-21.83 p-23.66 p-25.5 p-27.33 p-29.16 p-31 p-33 p-35 p-37 p-39 p-41 p-43 p-45 time/iter Writing "G:\eugene\5pipes0001.cas"...

Error: sopenoutputfile: unable to open file for output Error Object: "G:\eugene\5pipes0001.cas"

Error: Error writing "G:\eugene\5pipes0001.cas". Error Object: #f

I think you are using the "autosave" option. Try to change the path for the autosave file to your new directory and it should york.