Options in Preferences include:
Open Dialog: set read only by default
Sets the default mode when opening an existing safe - either read-only or read-write.
Password Generation:
• Set the length (in characters) of randomly generated passwords and the set of characters used by the generator.
• Set the length (in words) of randomly generated passphrases. Set the selection of separator character.
Password Viewing
• Effect of double-clicking a password entry (either copy password or open detail drawer).
• Default display of password - either hidden (obscured by '*'s) or shown in plain text.
• Set clearing of the clipboard when the password safe is closed or the application is minimised or after a timeout. (Recommended)

NOTE: There is a general clipboard and also a drag clipboard used by the , , and buttons. This setting relates to the general clipboard set by button clicks. The drag clipboard is cleared immediately after the drag operation.
• Default username for the Username field of newly created entries.
Password file locking options:
• on minimising the application's file window,
• after a selectable idle time (0 is off), (Recommended)
• an option to exit (if no unsaved changes in all open safes) otherwise close the password safe(s) with no unsaved changes at timeout.
Show menu bar icon. When enabled, the SamuraiSafe menu bar is shown, which allows access to password safes from the menu bar at all times.
Use tabs (when opening multiple safes) - can be set to automatic, on or off. [macOS 10.12 and later.]
Password History
Password History is the option to retain a specified number of previously used passwords. The setting in preferences is a maximum number to be retained. This setting can be overriden on a per entry basis (up or down). Note that retaining a large number of old passwords may make your password safe grow in size significantly, so use this option judiciously.
Enabling Upgrade safe on open/create will allow prompting to upgrade a password safe from the old format (V1) to the new format (V2) required to support the Password History feature. This setting also governs whether newly created safes are new or old file format. Please see for further information on safe migration (and reversion if necessary).
Reducing the Keep Preferences setting will not affect previous passwords already saved until a entry has a password updated.
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