FC file extension is for Harvard Graphics 2.0 Spell checking dictionary
Similar to FC
$DB - Temporary file
dBASE IV
$ED - Editor temporary file
MS C
$LN - TLink response file
Borland C++
$O1 - Pipe file
DOS
$VM - Virtual manager temporary file
Windows 3.x
&&& - Temporary file
)2( - LHA archiver temporary file
LHA
View all in File Extensions