Robocopy Robust File and Folder Copy

By default Robocopy will only copy a file if the file source and destination have different time stamps or different file sizes.
Robocopy Source_folder Destination_folder [files_to_copy] [options]
file(s)_to_copy : A list of files or a wildcard.
(defaults to copying *.*)
Source options
/S : Copy Subfolders.
/E : Copy Subfolders, including Empty Subfolders.
/COPY:copyflag[s] : What to COPY (default is /COPY:DAT)
(copyflags : D=Data, A=Attributes, T=Timestamps
S=Security=NTFS ACLs, O=Owner info, U=aUditing info).
/SEC : Copy files with SECurity (equivalent to /COPY:DATS).
/DCOPY:T : Copy Directory Timestamps. ##
/COPYALL : Copy ALL file info (equivalent to /COPY:DATSOU).
/NOCOPY : Copy NO file info (useful with /PURGE).

/A : Copy only files with the Archive attribute set.
/M : like /A, but remove Archive attribute from source files.
/LEV:n : Only copy the top n LEVels of the source tree.

/MAXAGE:n : MAXimum file AGE – exclude files older than n days/date.
/MINAGE:n : MINimum file AGE – exclude files newer than n days/date.
(If n < 1900 then n = no of days, else n = YYYYMMDD /FFT : Assume FAT File Times (2-second date/time granularity). /256 : Turn off very long path (> 256 characters) support.

Copy options
/L : List only – don’t copy, timestamp or delete any files.
/MOV : MOVe files (delete from source after copying).
/MOVE : Move files and dirs (delete from source after copying).

/Z : Copy files in restartable mode (survive network glitch).
/B : Copy files in Backup mode.
/ZB : Use restartable mode; if access denied use Backup mode.
/IPG:n : Inter-Packet Gap (ms), to free bandwidth on slow lines.

/R:n : Number of Retries on failed copies – default is 1ml.
/W:n : Wait time between retries – default is 30 seconds.
/REG : Save /R:n and /W:n in the Registry as default settings.
/TBD : Wait for sharenames To Be Defined (retry error 67).
Destination options

/A+:[RASHCNET] : Set file Attribute(s) on destination files + add.
/A-:[RASHCNET] : UnSet file Attribute(s) on destination files – remove.
/FAT : Create destination files using 8.3 FAT file names only.

/CREATE : CREATE directory tree structure + zero-length files only.
/DST : Compensate for one-hour DST time differences ##
/PURGE : Delete dest files/folders that no longer exist in source.
/MIR : MIRror a directory tree – equivalent to /PURGE plus all subfolders (/E)

Logging options
/L : List only – don’t copy, timestamp or delete any files.
/NP : No Progress – don’t display % copied.
/LOG:file : Output status to LOG file (overwrite existing log).
/UNILOG:file : Output status to Unicode Log file (overwrite) ##
/LOG+:file : Output status to LOG file (append to existing log).
/UNILOG+:file : Output status to Unicode Log file (append) ##
/TS : Include Source file Time Stamps in the output.
/FP : Include Full Pathname of files in the output.
/NS : No Size – don’t log file sizes.
/NC : No Class – don’t log file classes.
/NFL : No File List – don’t log file names.
/NDL : No Directory List – don’t log directory names.
/TEE : Output to console window, as well as the log file.
/NJH : No Job Header.
/NJS : No Job Summary.

Repeated Copy Options
/MON:n : MONitor source; run again when more than n changes seen.
/MOT:m : MOnitor source; run again in m minutes Time, if changed.

/RH:hhmm-hhmm : Run Hours – times when new copies may be started.
/PF : Check run hours on a Per File (not per pass) basis.

Job Options
/JOB:jobname : Take parameters from the named JOB file.
/SAVE:jobname : SAVE parameters to the named job file
/QUIT : QUIT after processing command line (to view parameters).
/NOSD : NO Source Directory is specified.
/NODD : NO Destination Directory is specified.
/IF : Include the following Files.

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