If you wish to extend your operational & accounting editable history window, here are the steps to follow:
For Operational Editable History Window
Go to Menu > Settings > Property > General Settings. You can change the days/times of the Editable history window at the bottom of General Settings.
The maximum days that you can extend it to is 7 days.
For Accounting Editable History Window
Go to Menu > Settings > Property > Accounting configuration. At the top of the screen, you can see the Accounting editable history window field. You can extend it to a maximum of 7 days.