RoboCopy Swiches and Options

Copy Options Option Description

/S   copy Subdirectories, but not empty ones.

/E          copy subdirectories, including Empty ones.

/LEV:n          only copy the top n LEVels of the source directory tree.

/Z          copy files in restartable mode.

/B          copy files in Backup mode.

/ZB         use restartable mode; if access denied use Backup mode.

/J          copy using unbuffered I/O (recommended for large files).

/COPY:copyflag[s]   what to COPY for files (default is /COPY:DAT).

(copyflags : D=Data, A=Attributes, T=Timestamps, X=Skip alt data streams).

(S=Security=NTFS ACLs, O=Owner info, U=aUditing info).

/SEC         copy files with SECurity (equivalent to /COPY:DATS).

/COPYALL        COPY ALL file info (equivalent to /COPY:DATSOU).

/NOCOPY     COPY NO file info (useful with /PURGE).

/SECFIX     FIX file SECurity on all files, even skipped files.

/TIMFIX     FIX file TIMes on all files, even skipped files.

/PURGE      delete dest files/dirs that no longer exist in source.

/MIR            MIRror a directory tree (equivalent to /E plus /PURGE).

/MOV            MOVe files (delete from source after copying).

/MOVE           MOVE files AND dirs (delete from source after copying).

/A+:[RASHCNET]  add the given Attributes to copied files.

/A-:[RASHCNET]  remove the given Attributes from copied files.

/CREATE     CREATE directory tree and zero-length files only.

/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.

/MT[:n]         Do multi-threaded copies with n threads (default 8). n must be at least 1 and not greater than 128.

This option is incompatible with the /IPG and /EFSRAW options.

/DCOPY:copyflag[s]  what to COPY for directories (default is /DCOPY:DA).

(copyflags : D=Data, A=Attributes, T=Timestamps, E=EAs, X=Skip alt data streams).

/NODCOPY        COPY NO directory info (by default /DCOPY:DA is done).

/NOOFFLOAD      copy files without using the Windows Copy Offload mechanism.

/COMPRESS       Request network compression during file transfer, if applicable.

/A          copy only files with the Archive attribute set.

/M          copy only files with the Archive attribute and reset it.

/IA:[RASHCNETO] Include only files with any of the given Attributes set.

    R – Read-only

    A – Archive

    S – System

    H – Hidden

    C – Compressed

    N – Not content indexed

    E – Encrypted

    T – Temporary

/XA:[RASHCNETO] eXclude files with any of the given Attributes set.

/XF file [file]…        eXclude Files matching given names/paths/wildcards.

/XD dirs [dirs]…    eXclude Directories matching given names/paths.

/XC         eXclude Changed files.

/XN         eXclude Newer files.

/XO         eXclude Older files.

/XX         eXclude eXtra files and directories.

/XL         eXclude Lonely files and directories.

/MAX:n      MAXimum file size – exclude files bigger than n bytes.

/MIN:n          MINimum file size – exclude files smaller than n bytes.

/MAXAGE:n       MAXimum file AGE – exclude files older than n days/date.

/MINAGE:n       MINimum file AGE – exclude files newer than n days/date.

/MAXLAD:n       MAXimum Last Access Date – exclude files unused since n.

/MINLAD:n       MINimum Last Access Date – exclude files used since n.

(If n < 1900 then n = n days, else n = YYYYMMDD date).

/DST            compensate for one-hour DST time differences.

/XJ         eXclude symbolic links (for both files and directories) and Junction points.

/XJD            eXclude symbolic links for Directories and Junction points.

/XJF            eXclude symbolic links for Files.

/IM         Include Modified files (differing change times).

/R:n            number of Retries on failed copies: default 1 million.

/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 share names To Be Defined (retry error 67).

/LFSM           Operate in low free space mode, enabling copy pause and resume 

/LFSM:n[KMG]    /LFSM, specifying the floor size in n [K:kilo,M:mega,G:giga] bytes.

/RH:hhmm-hhmm   Specify the time between the job can run

/ZB         Copy files in restartable mode; restart the copy action in backup mode if access is denied. This will override files and folder permissions that might block access.

/MT:n           Multi-Threaded will speed up the file transfer, n = default 8

/IPG:n          Limit bandwidth usage by telling Robocopy to wait n milliseconds

/R:n            Specify the number of retries

/W:n            Specifies how long to wait between the retry

/LOG:<path>       Specify the log file to save the information to

/LOG+:          Append the result to an existing log file

/ts         Include the source file time stamp in the log output

/tee            Output to log and console

/fp         Include the full path of the files in the log

/v          Verbose, output also skipped files