Instead of creating many sync items with the same settings that only differ in the selected directories, you can create a single sync item with the common parent directory. This way, you don’t need to run each individual sync item. For example, if you only want to sync your Documents, Music and Pictures directories but…

.Library and .Trash are system directories inside your home directory. SyncTime doesn’t have enough privileges to access these directories. You can exclude these system directories with a File or directory or Hidden filter. If listed in the confirmation dialog, you can right-click them to open the context menu and select Add selected files to the filter. Tip: if you want…

In general, SyncTime should be compatible with Cryptomator. There is a Cryptomator issue that causes images in a vault in iCloud Drive to not be copied correctly, which I reported in January 2023: https://github.com/cryptomator/cryptomator/issues/2650

If you select the ~/Library/Mail directory as a source (where ~ represents your home directory), the sync should run without issues. On the other hand, selecting one of its ancestors, like ~/Library, can cause scan errors. In general, selecting a directory in an open panel grants an app access to all subfiles and subdirectories, but…