In view of the fact that we all know is the large number of end users in their daily routine lives prefers having a helping hand, which consequently can led them to convert their E-Mail applications or the file formats that they would be making employ of. Likewise Lotus to Thunderbird Converter Software is also one of the same kinds which help the novice users to transfer Lotus Notes to Mac mail with no alteration done to the precise Mac OLM file which is supposed to be converted to MBOX file format accurately as it is. Alternatively the tool kit for Lotus to MBOX gives users an exclusive opportunity of opening NSF files in MBOX file format along with all the other significant factors of Mac OLM file. Switching from Lotus to Thunderbird widens up the option for the users to access the particular MBOX file format in multiple E-Mail applications.