Managing email and contact duplicates in Outlook can be frustrating, especially after performing multiple imports or experiencing issues with syncing contacts. Outlook does have a built-in cleanup tool, which is helpful, but it doesn't find many duplicates. A much better solution is to use a third-party solution like SameTools Outlook Duplicate Remover. This tool scans your MSG folders, including emails, contacts, calendar items, and tasks, and removes them without losing any data. You can review the duplicates in the MSG before deleting them, ensuring you only delete identical items and preventing the loss of information. It works with all versions of Outlook, like 2003, 2007, 2020, 2013, 2016, 2019, 2021, 2024, and it is easy to use for even the non-technical user. The software provides options to back up all data or move the duplicate MSG items to a folder that is separate from the clean inbox before you delete them.

However, an automated method is more reliable and the most time-efficient solution for a mailbox with many items or for someone who synchronizes their contacts frequently.

You tried to delete duplicate MSG files manually, but it took too long, and you accidentally deleted some important files. Then you can use an automated solution like SameTools Remove MSG Duplicate. This software automatically scans all folders, identifies duplicate MSG files, and removes only the extra copies, keeping your original data safe. It works quickly, saves time and effort, and helps keep your email data organized. The tool supports all Windows versions (11, 10, 8.1, 8, and 7) and has an easy-to-use interface suitable for both beginners and advanced users. You can also try the free demo version before purchasing the full edition.