Synchronization Issue

[Rick-F]

I have used FreeFileSync for many years to synchronize my computer data files to an external SSD device. I use R-Drive Image on a monthly basis to create entire backup images of all my computers.

I need synchronization guidance for the following issue:

BACKGROUND DETAILS
My primary Desktop PC contains programs (apps) and data. Let's refer to it as 'Computer A.' I recently purchased a Lenovo P1 Gen 7 ThinkPad laptop that has an identical data structure as my PC. Let's refer to it as 'Computer B.' All data is stored in subfolders on both computers under the path C:\DATA.

THE CHALLENGE
'Computer A' is my primary computer choice to add, change and delete files. Date is backed up daily to an external SSD using FreeFileSync, selecting options Compare: File Time and Size (left side) and Synchronise: Mirror (right side). 'Computer B' may also randomly make changes and this creates a new data backup challenge.

I need to update 'Computer B' with the latest file changes to 'Computer A.' However, because 'Computer B' may have file changes of its own that are newer than those on 'Computer A,' they must be added to 'Computer A.' In this way, both 'Computer A' and 'Computer B' will always be exact mirrors of each other in terms of data files.

GUIDANCE NEEDED
I researched the FreeFileSync User Manual but was unsuccessful in my attempt to find a solution. Is it possible to achieve my objective using FreeFileSync? Your assistance would be greatly appreciated.

[Plerry]

As changes can apparently originate on either computer (A or B), you would need to select the two-way sync variant in FreeFileSync (FFS).

[Rick-F]

Thank you Plerry for your reply. I believe that the two-way sync variant is the ideal option to achieve my objective.