Files starting with ._ are created by macOS when copying a file that has extended attributes to a volume that doesn’t support them. This special file is used to save the extended attributes that would otherwise be lost. An example of a volume format that doesn’t support extended attributes is FAT32. These files are hidden…

By default, a sync item consists of two bases (a source and a destination). You can define additional bases in the General tab of the sync settings by clicking on Add more bases and then on the + button below the list of bases. One-way sync / One-way move Multiple sources are virtually merged and…

Sync schedules allow sync items and sync groups to be run automatically at specified dates and times or when the source and destination volumes become available. To view and modify sync schedules, click the button with the clock icon in the toolbar, or select Window > Sync Schedule in the main menu. To add a…

By default, SyncTime appears both in the Dock and to the right of the menu bar. Only apps that appear in the Dock are listed in the Force Quit window ( > Force Quit). If you disabled the option to show SyncTime in the Dock, in order to force quit it, follow these steps:

In macOS, you can select any app to be automatically launched at login. On macOS 13 or newer, when launched at login, SyncTime will automatically hide its windows.

The backup strategy defines if and how overwritten and removed files can be recovered. The backup strategy can be changed in the Destination tab of the sync item settings. Note: when the option Keep synced in background is enabled, the backup strategy is applied during the main sync but ignored while applying changes in background.…

SyncTime detects hard links on the source and recreates them on the destination. Symbolic links and Finder aliases are not followed, but copied as a link. These links can generally not be followed in sandboxed apps from the Mac App Store. If you want to copy files pointed to by a symbolic link or a…

The sync confirmation dialog is displayed by default. To skip the confirmation dialog and apply the changes automatically, enable the option Skip confirmation dialog in the Advanced tab of the sync item settings. The confirmation dialog shows all the changes that will be applied during a sync, grouped by files to be removed, overwritten and…

Use sync groups to create lists of sync items and run them sequentially with the click of a button. For example, sync groups can be used to group sync items by their destination volume, so that when connecting that volume all the relevant sync items can be run conveniently. Add a sync group In the…

Important: make sure that by default a sync doesn’t throw any error. Don’t simply ignore all errors, or at some point you might risk dismissing new errors about files important to you. Sync errors can also be a cause for apparent misbehaviours in different areas of the app, such as sync schedules running outside of…