The phrase "a folder about" is correct and usable in written English.
It can be used when referring to a folder that contains information or materials related to a specific topic or subject.
Example: "I created a folder about our upcoming project to keep all relevant documents organized."
Alternatives: "a folder concerning" or "a folder regarding".
A folder about the government's "don't ask, don't tell" policy of barring gay men, lesbians and bisexuals from serving openly in the military — which Ms. Kagan termed a "moral outrage" while dean of Harvard Law School — consisted largely of a lengthy report by a group critical of the policy.
Participants receive a folder about the practical issues related to the adult rheumatology programme (eg, contact information for the secretary and rheumatologists, organisational information for the outpatient clinic).
Make a folder all about the show on your computer.
The FBI developed a detailed file on Clarence 13X; in 1967, Hoover described him as a potential threat to the President of the U.S., and sent a detailed folder about him to the United States Secret Service.
Atop his desk is a thick folder about Collum Coal, but most of the paperwork is new.
— Marty Mornhinweg swiveled in his office at the Jets' facility recently and grabbed a green folder, about three inches thick, from inside the top drawer of his file cabinet.
A. If an error message says "The file or folder does not exist" when you try to move or rename a folder, the information about that folder in the Windows Registry may be corrupted.
"It's hard to understand the impact of being presented with a folder containing details about your life from the age of eight weeks, in my case, to 18," she says.
Or whether it will be another Apple app we stuff in a folder and forget about.
There was a large pillow, a pair of slippers, Bose noise canceling headphones, and a folder with information about the meal and wine options.
As an officer of the Human Development Association, Murphy kept a folder of student complaints about Di Stefano, whom she called incompetent.
