![]() ![]() Some file exclusions were added more for an example of how to do it as some of those file or folder exclusions would not be in a user profile anyways.ĭate of files or file types can easily be added or removed. ![]() This example is for copying specific files and files newer than 6 months for a Windows user profile from one location to another. Refer to the Microsoft Documentation ( ) for a list of all parameters that can be set.For those interested here are a couple of script files that can make using Robocopy to do extensive file operations quite easy. You can combine multiple options (parameters), such as the two discussed above, as follows: robocopy "C:\folder" "D:\folder" /mir /xf *.tmp /MT:16 can result in problems if you try to go “too fast.” If you have a PCIE 4 SSD connected to an NVME slot of your motherboard that is different from a remote SMB share you’re connected to over wifi, and is different from a slow USB 2.0 thumb drive, and so on. However, limitations such as the specs of the hard drives being used, how they are connected, network speed, etc. Increasing the number of files that get simultaneously copied from the source to destination can speed up the completion of the job. You can specify that using /MT:n as shown below: robocopy "C:\folder" "D:\folder" /mir /MT:16 That would look like: robocopy "C:\folder" "D:\folder" /mir /xf *.tmpįurther suppose you wanted to copy 16 files at a time, rather than the default of 8. tmp files when backing up C:\folder to D:\folder. For example, say you wanted to exclude all. There are many options that can be configured when running Robocopy commands. You can specify either the UNC path like \\server\folder or the drive letter you’ve mapped, like Z:\ if applicable. The source, destination, or both, can be an SMB share. ![]() It does not consider file hashes, which would be more resource intensive.Ī great use case for this is backing up one’s personal files to an external drive, whether it be a network attached storage (NAS) device or thumb drive. Robocopy considers a file to have “changed” if the timestamp, file size, or path of a file differs between the source and destination. If that’s not actually what you want to do, don’t do it. For example if you were to reverse C:\folder with D:\folder, you would be making C:\folder a copy of D:\folder, in effect restoring from an old backup and actually deleting all changes since the last backup. The most basic backup command is written as follows:īe sure to specify the source before the destination. You might have heard of rsync for Linux and be wondering if there is something similar for Windows. It also does not make sense to manually determine what files have changed since the last backup. However, what happens when you want to back up that folder again? It does not make sense to delete the entire folder at D:\folder and re-copy. A simple way of accomplishing this is of course to copy the folder C:\folder and paste it to drive D, resulting in a copy of C:\folder at D:\folder. Further suppose you want that folder to be backed up to D:\folder. Suppose you want to back up the entirety of a given folder, all of its subfolders and files therein, and that folder is at path C:\folder. Why back up and sync folders using Windows Robocopy? It does not require installation if you are using Windows then you already have it. ![]() Robocopy (Robust File Copy) is a utility built into the Windows operating system that allows you to efficiently compare directories and copy or move files from one to the other based on differences. This article will discuss how to back up and sync folders using Windows Robocopy. ![]()
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