The best free OST file viewer tool that views, opens and read view OST file is to use a professional tool like Data Recovery Freeware OST File Viewer Tool. This OST file viewer allows you to view, open and read OST files with attachments like contacts, calendars, contact and other mailbox items. If you are having a corrupt PDF file? Then you don't need to worry about it because this tool helps to view, open and read OST files without formatting your data and moreover, this OST viewer tool allows you to view, open and read OST files in bulk. The best thing about this tool is it is available to everyone.

Steps to recover the OST file

- Download and Install the OST file viewer. 

- Now click on the open menu to choose the OST file. 

- After choosing the OST file choose the mode of scanning. 

- Once the scanning mode is completed click on the OK button to start the process. 

- Now you can view the OST file with their attachments. 

- After this click on the export button to save the selected OST files in.html format. 

- Now click on the log button to view a log OST file. 

- After completion, click on the close button to exit.