Can't change picture names?

When I go to my pictures folders and click on it to change the name it keeps giving me the same error message
"If you change a file name extension, the file may become unusable"

Why is it doing this and what does it mean by file name extension?

 

Each of your pictures has a file extension at the end...something like .jpg or .bmp or .tif

When you are about to chnage the file name of the picture, make a mental note of the file extension and be sure to type the very same one after you change the file name. For example:

Original filename of picture : flower.jpg

Would become with name change: rose.jpg

 

If you go into Tools > Folder Options > View and make sure the box for "Hide extensions for known file types" is checked, you won't see the extensions, and therefore you won't accidentally change it. You won't get the warning either, because with the extension hidden, it will stay the same.

 

Thanks you guys so much! I recently had to clean some malware off my computer and I forgot that I had unchecked the option to hide known file extensions.

 

how can i change the name in the picture

 

You'r posting to a two year old thread. Why not start a new one?

Also, welcome to MG!