Convert OST file to without exchange server is most challenging task because we usually use the manual method to convert OST file which is quite dificult and time taken process. So, its is important convert OST file professionally, to convert OST file you need to use the professional tool like Aryson OST to PST converter . So what this tool do? This tool do so many thing without damaging the data, this tool converts the OST file into multiple file formats like HTML, MBOX, DOC, DOCX, HTML, etc. It easily converts the large and bunch of OST file easily and also migrate the OST file to the number of email clients like Gmail, Office 365, Thunderbird, Yahoo mail, etc. Moreover, this tool maintains the data hierarch through out the conversion process. 

Step-by-Step Guide to convert OST file

- Download and install the OST file converter in your system and run it as a administrator. 

- Then select the single and multiple file/folder and browse the OST file and click on the convert button. 

- Now preview the OST file and click on the next button.

- Select the file format in which you want to convert OST file.

- Then select the path where you want to save the resultant file.

- Lastly click on the convert button to start the conversion process. 

If you want to know other methods to convert OST file then read this article 3 methods to convert OST to PST in Outlook.