Does this tool support both OST and PST file

Yes, you can easily import Outlook mailboxes from OST & PST file to Gmail

vMail Gmail Backup & Migration Tool

Can I migrate my OLM file to specific folders on the IMAP Server?

Absolutely, vMail gives you the flexibility to choose existing, new, or default folders for your OLM file migration.

How to Convert Lotus Notes Emails to Outlook PST File

Fallow few steps to Convert Lotus Notes (*.NSF) Files into Outlook PST Format.
1) Download & install vMail Lotus Notes Email Converter Then Open Software on Windows Machine.
2) Click On Add File Button Then Open Dialog for Select Lotus Notes (*.nsf) Files - and click on Next Button.
3) After Scanning Lotus Notes (*.NSF) File then show left side show Folder List.
4) Click On Left side pane any folder then load and show message list.
5) Click on Convert Button Then Open Dialog window for Lotus Notes Email Conversion – here user can select export option & destination path.
6) Then Click on Convert Now button then start lotus notes (*.nsf) file conversion process

How to Migarte Outlook OST file into Gmail Account?

Fallow few steps to Import OST Files into Gmail/Gsuite Email Account.
1) Download & install vMail OST to IMAP Migration Software Then Open Software on Windows Machine.
2) Click On Add File Button Then Open Dialog for Select OST Files - and click on Next Button.
3) After Scanning OST File then show left side show Folder List.
4) Click On Left side pane any folder then load and show message list.
5) Click on Import IMAP(Gmail) Button Then Open Dialog window for Login Gmail Email Account - Atfer Login Then Open Dialog for OST File Email Migration
6) Then Click on Import Now button then start OST to IMAP/Gmail Account Migration process

What are the formats in which I can save the recovered OST file?

You can save the recovered OST file into PST/EML/MSG/MBOX and vcf files.
You can import this newly created PST file in MS Outlook. Our software supports Outlook 2021, 2019, 2016, 2013, 2010,2007, 2003 and earlier versions.

Read More Information : https://www.vsoftware.org/ost-to-pst-converter.html