Are you unable to Access NSF files? Lotus Notes is very secure email client it does not give any permission to open/access notes nsf files locally. If you are trying to open nsf files locally then Lotus Notes shows you are not authorized to access that database error. But now if you are unable to access nsf files then you can use third party tool (Securase). This tool helps you to remove/erase local access protection/security. Lotus Notes local access security remover tool removes you are not authorized to access that database error or you are not authorized to perform that operation error. Free evaluation copy is available free of cost, you can download free trial copy and evaluate the efficiency of software. With the help of evaluation copy user can remove local security from provided database (nsf files). User can purchase full license version at affordable prices, Now you can buy SysTools Securase only at 49 USD.