The Mylio Photos Cache is a temporary holding area used when sync settings are adjusted. For instance, you may have used Sync on Demand to temporarily access an optimized image or original-quality (full-resolution) file on a device set to keep the catalog only, or you may have used Tap to Sync to change the sync policy for a specific folder.
Click the Dashboard icon
, select Devices, then click a Device Card to open the Device Settings.Click the Clear Cache button. Mylio Photos will show the number of optimized and original-quality (full-resolution) images that can be cleared from the cache. Complete the process by clicking the YES button.