You can't open Lotus Notes database without the help of Lotus Notes administrator because Lotus Notes poses lot's of restriction on their database you can't open Lotus Notes database without Lotus Notes permission, NSF database showing ”you are not authorized to access that database” error. You can remover this error with SysTools Securase software, this software erase local security from Lotus Notes database after using SysTools Securase software you can easily open Lotus Notes database. Lotus Notes is very secure email client and it does not give any permission to open their database in the absence of Lotus Notes. You must buy a third party tool to erase local security from Lotus Notes database and SysTools provides Securase software to remove all Local securities from Lotus Notes database, after using Securase you can easily open Lotus Notes NSF files and read Lotus Notes database easily. Download trial version of Lotus Notes Security Remover tool free of cost, but trial version removes local security from provided NSF database. Purchase full version of SysTools Securase software for removing Local security from unlimited NSF database, license version of SysTools Securase is available only at 69 USD and SysTools provides 24x7 support facility, you can clear your doubts about SysTools Securase and SysTools will helps you to open NSF database easily.