Select the file you want to rename.
Click the Rename this file link.
The current name is highlighted. Type the new name and press Enter .
The file is renamed .
If you did not use a descriptive name when you saved the file, you can rename it. You can rename only a single file at a time.
Naming Rules
You can type as many as 255 characters , including spaces. You also can include letters , numbers , and other symbols except the following:
? / : " * < > \
WARNING!
Do not rename program or system files. Doing so can cause program or system problems.