Syniti Replicate supports use of Flat Files for:
Note
If a change set is empty and an output file already exists for a mirroring replication cycle, Replicate overwrites the target file to ensure it contain only metadata. This functionality applies to a mirroring replication cycle configured to use Flat target files, such as CSV or Parquet files with an output file that uses the stable file name format.
This article contains sub-articles that describe: