Real-time folder sync

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Can anyone suggest the most lightweight option for me to keep 2 Windows folders synchronised in real-time?

Thanks in advance.
 
Use a Robocopy script with MIR.
Create a scheduled task to run at startup or logon. It'll run in the background monitoring the folders.
 
Thanks for your replies. I should’ve said, the folders are both on the same computer. Does that still make Resilio Sync a good choice?

Robocopy scripts have always looked a bit daunting and I’ve not heard of MIR, I’ll have a read…
EDIT - I see that MIR is the command for mirroring, thanks.
EDIT 2 - Do you use MON to have the changes synced in real-time?
 
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Try the Robocopy commands on a couple of test folders first to make sure you don't delete anything. Should be a few good guides on the net explaining what the options do, and for creating a scheduled task.

Let us know if you need any help.
 
Thanks, I’m having a read now. From what I understand, MIR is A 2-way sync, which is what I need. I think the MON command enables monitoring, I’ll see how it works in practice.
 
Been a few years now, but I think I used MON with a logfile to check what would happen to the contents of the folder.
 
I’m not at home to test, but from reading around, it seems that MON defines how many changes need to have occurred before robocopy does it’s thing, but it’s not monitoring in real-time. MOT defines how often robocopy checks for changes with a minimum interval of 1 minute. Not quite real-time, but probably good enough for my needs.
 
I ended up using FreeFileSync.

I tried getting robocopy set up, but I found it too complicated to correctly set up a 2-way mirror.
 
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