You can copy an OST file manually to a different drive by first closing Outlook and finding the existing OST file (typically located in %LocalAppData%\Microsoft\Outlook). Duplicate the file on the new drive, then delete the original one. Then open the Mail applet in the Control Panel, choose your Outlook profile, and click Data Files. Delete the old OST file and add a new one by directing Outlook to the new location of the relocated file. Alternatively, rebuild the Outlook profile completely and set it to use the new drive.

This approach does have its drawbacks. Mere relocating the OST file can result in issues since Outlook will still look for the file in its original location. Rebuilding the profile will entail re-downloading all emails from the server, which takes a considerable amount of time in large mailboxes.

There are a number of known automated programs that translate OST to PST. If you don't want to lose or corrupt data, ensure that you employ a reliable tool with positive reviews. We suggest using MigrateEmails OST to PST Converter Tool. It offers online services and enables you to convert your OST file to PST file without losing data. It is a reliable Online OST to PST Converter Software for Outlook. To shift location.ost file you will find it helpful.

Steps to relocate OST file to different drive Online:
1. Download and execute the MigrateEmails OST to PST Converter software.
2. Select the Single File/Multiple File option and click the Next
3. Select the Select Files option. Choose the required OST file.
4. The chosen OST file will be reflected in the list.
5. Choose your Outlook mailbox folder from the preview area.
6. Expand the Save/Backup/Migrate option & choose the PST file format.
7. Choose the rest of parameters and press Convert.

Read More: https://www.migrateemails.com/blog/move-ost-file-to-another-drive/