# Clipboard Compare Options | Top

These options control the behavior of Clipboard Compare. Run on Windows startup Automatically runs Clipboard Compare when Windows starts. Enable keyboard shortcut Enables the Ctrl+Alt+C keyboard shortcut for comparing the two most recent clipboard entries. Associated file format mask Sets a simple file mask, such as *.java, to be used to select an appropriate file format for text comparisons. If it is left empty, the default file format will be used. Minimum clip length Sets the minimum number of characters the text must contain to be remembered. Can be used to prevent saving passwords or other short text. Set to 0 to remember all copies. Storage limits (clips) Sets the maximum number of entries to be retained. Storage limits (MB) Sets the maximum amount of memory to be used for all entries. Note Clipboard Compare will try to retain the two most recent clipboard entries, even if the memory usage limit will be exceeded.