Yes, it's possible, if your outlook is very large, crashing, and you show thousands of duplicte PST entries, emails, etc, and you want to delete them without losing your original data. I can suggest you "
SameTools Remove Outlook PST Duplicate", it safely cleans your Outlook by
removing duplicate PST entries without affecting the original data. This software can handle any size and any number of duplicate PST files without a glitch. This tool doesn't need other applications like MS Outlook, and it supports all Windows OS versions like 11, 10, 8.1, 8, 7, and aslo works with ANSI and UNICODE. Use this software without technical skills and with simple steps.