According to me you should not take any decision in a hurry take some time a wrong decision can harm your database. This software support Batch Conversion option to perform bulk conversion of OLM items to PST. It work very smoothly and effortlessly convert OLM mailbox to office 365 in a single round using its batch option.
Follow these instructions to export OLM file to PST:
- Install and Run the software on your system.
- Click Browse to select OLM file.
(NOTE: If you don't know the location of your OLM file, click the Find button in the OLM to PST converter software to search for the file automatically.)
- Once you have selected the OLM file you want to export, click the Convert button.
- Check the preview of the converted mailbox items.
- Click Save Converted File button, and select the PST file option.
- Next, from the Save File screen, select the check box for either Save each mailbox for Individual PST or All mailbox in a single PST or Append Data into Existing profile/PST file as required.
- Click the Browse button to select the destination path, and click the OK button to export OLM File to PST.
- To access your mailbox data, import the resultant PST file into Outlook.