One can backup IMAP emails to PST manually or professionally. Set up the IMAP account in Outlook for the manual approach. After syncing, save emails locally by using the Import/Export function found under File > Open & Export > Import/Export > Export to a file > Outlook Data File (.pst).

But this approach takes a long time, isn't automated, and might not correctly export folder structures or metadata.

The DRS Softech IMAP Migration Tool serves the purpose of shifting email data and shifting emails from one IMAP server to another with a dash of ease. It helps users in transferring mails from one mail platform to another without compromising on data integrity and organization. It is a perfect way to download and save your email data on your local machine in various formats such as PST, MBOX, EML, and PDF. It also contains some extra features that aid the smooth functioning of the software. Following is a list of these extra features:

Top features of DRS Softech IMAP Backup Tool
- Users can select particular folders or date ranges for the backup of relevant data only.
- An email filter function can be used to exclude or include criteria-based emails.
- Support for different IMAP email services like Gmail, Yahoo, Outlook, and more.
- The software offers a clean and intuitive interface for smooth navigation and layman use.
- Backup emails in multiple formats like PST, EML, MBOX, and PDF.

Export IMAP Mailbox to PST With A Few Clicks
1. Launch the DRS Softech IMAP Backup Tool on your computer.
2. Select to backup either one or several email accounts in Single Mode / Batch Mode, respectively.
3. Input the Email ID, Password, Host, and Port Number, then press the Login button.
4. Using the tree structure, choose the requisite folders, then press Next.
5. Then, select PST as the file format, and specify the location where you want to save the output file.
6. Use additional features if needed, then click on Start Processing.

Know More: https://www.migrateemails.com/blog/how-to-export-imap-to-pst-using-ms-outlook/