Settings that apply to all files in a specific local folder are listed under the FOLDER tag, for example:
[FOLDER:usr/files/acufiles] FILESUFFIX=dat [FOLDER:C:/files/rmfiles] IDXFORMAT=21
sets all files in usr/files/acufiles that do not have a suffix to .dat, and all indexed files in usr/files/rmfiles to an IDXFORMAT of 21.
This section does not support the use of networked shared folders; the folder must be local to your machine.