How to batch modify file suffix name in Windows XP system

Users downloaded a lot of office materials in the Windows
XP system, until the file was opened, the file format was found to be incorrect. Later, the relevant information was found on the Internet, and the suffix name can also be used, but the suffixes are changed one by one. The name is very troublesome, is there a way to modify it in bulk?

Operating Procedures

New Notepad Enter “ren *.dpt *.ppt” in Notepad. Interpretation: Format: ren is the command *.dpt is the suffix name before modification *.ppt is the modified suffix name.

Then save as a document.

Save the path as the desktop, and then change the file name to “ldquo; modify the suffix name.bat” click “Save”

Finally, copy the created “ bulk modified suffix .bat” to the directory where you want to modify the suffix name.

Double-click “ batch modify the suffix name .bat” to quickly change *.dpt to *.ppt file.