I thought when using offline files with a limited size cache, Windows would prioritize most recently used and most often used files above other files. That's not how my Windows 10 Pro 21H2 system is working now. I routinely get sync errors for my most used and most recently used files, telling me to increase the size of my sync cache.

  • Do I miss-understand how offline files are to be prioritized for limited cache?
  • Am I missing a registry setting to make offline files sync prioritize sync's files ?


I am running Windows 10 Pro x64 21H2 with 16 GB of ram. I have over 10 TB of shared files on my Windows Server 2019 machine, but I've dedicated only 512 GB of HDD for cached offline files.