Settings that apply to all files in a specific local folder are listed under the FOLDER tag, for example:
[FOLDER:C:\\files\\acufiles] FILESUFFIX=dat [FOLDER:C:\\files\\rmfiles] IDXFORMAT=21
sets all files in c:\files\acufiles that do not have a suffix to .dat, and all indexed files in c:\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.
[C:\SITETEST\EXTFH\TEST2.dat]
you would need to enter
[C:\\SITETEST\\EXTFH\\TEST2.dat]