The DRS Softech OST to PST Converter is a good application, which allows bulk OST conversion and facilitates migration of an unlimited amount of data. It can be used to convert OST files to MBOX, and all other files formats including PST, JPG, DOC, CSV, and much more. Plus, it is compatible with all operating systems and is very intuitive, making it accessible to anyone - no technical skills necessary! Also, this outstanding software still provides users with several filters and parameters.

• Allows duplicate remove from OST file, and filter file as per Date Range.
• Import OST file into Windows Live Mail or other selected email clients.

Procedure to Export OST to Office 365:
• Run the DRS Softech OST Converter and select Files or Folders option and click on Next.
• Click Open to add the OST files you are going to import. Click Next.
• Next, Preview all the mailbox data and select the folders to continue.
• Click Next and from the list of File Formats select PST.
• Next, apply filters and then provide a Path to Save.
• Finally, click on the Convert to complete the process to export the OST.

Know More: https://www.migrateemails.com/blog/import-ost-to-office365/