You can view emails and attachments in a PST file without installing Microsoft Outlook by using a dedicated PST viewer. MailsDaddy Free PST Viewer is a useful option for opening PST files and browsing mailbox data without importing the file into Outlook. It allows you to read emails, explore mailbox folders, and access email attachments when you need to check old or archived messages. Simply download the tool, load your PST file, and browse its contents. This is a convenient solution if Outlook is not installed on your computer or you only need to access existing mailbox data. You can find the tool here: https://www.mailsdaddy.com/free-pst-viewer/.