Copy Files Action Robocopy tab
Copy using unbuffered I/O: If checked, copies using unbuffered I/O (recommended for large files). Requires Robocopy v6 or later (installed with Windows 8 and later).
Do multi-threaded copies: Specifies the number of threads for multi-threaded copying (optional, between 1 and 128). When specified, the use of a log file is recommended for better performance.
Log file: Specifies a file to log output to (optional).
Append to existing log file: If checked, appends to the log file; if unchecked, overwrites any existing log file.
Unicode log file: Outputs to Unicode log file.
Copy all file info: If checked, copies all file info (data, attributes, timestamps, security, owner info, and auditing info).
Copy no file info: If checked, copies no file info.
Don't log header info: Do not log job header.
Don't log summary info: Do not log job summary.
Additional Robocopy options: Specifies additional arguments to Robocopy.
Override Robocopy executable filename: Specifies the Robocopy executable filename (optional). If not specified, robocopy.exe must exist in the PATH environment variable.