EdbMails Duplicate Remover for Office 365, Exchange, IMAP and Outlook

After years of managing Office 365 and Outlook accounts for clients, duplicate emails became a recurring nightmare — especially after migration and device sync errors. I tried scripts and free tools, but none could handle the volume or preserve folder hierarchy. EdbMails Outlook Duplicate Remover solved it in one go, clearing thousands of duplicates without touching valid data. The speed was impressive, and the detailed report made documentation easy. For businesses running Office 365 or Exchange, this is the most reliable duplicate removal tool I’ve used.

Michael Thompson – United States

Our shared Exchange Online mailbox had become cluttered due to multiple people replying to the same messages. Searching for recent emails was frustrating. EdbMails Duplicate Remover cleaned the entire mailbox without disrupting our workflow. The ability to keep one clean copy of each message while maintaining the folder structure is invaluable. I also appreciate the secure OAuth 2.0 authentication — a must for GDPR compliance. It’s now a regular part of our mailbox maintenance.

James Peterson – United Kingdom

I manage several Outlook mailboxes across our team, and over time, restoring PST backups created overlapping data. This led to slow searches and wasted storage. EdbMails Duplicate Remover not only handled emails but also cleaned up duplicate calendar events and contacts. Everything was done without altering the originals, and the cleanup was surprisingly fast. For anyone working with PST files or restoring backups, this tool is a real time-saver.

Elena Rossi – Italy

During a migration from Google Workspace to Office 365, I ran multiple imports to verify data. This left our mailboxes filled with duplicate emails and contacts. EdbMails Outlook Duplicate Remover preserved our entire folder hierarchy while removing only exact duplicates. What stood out was how quickly it processed even large mailboxes and the accuracy with which it skipped unique items. It’s a must-have for any migration project.

Daniel Kim – South Korea

My Office 365 mailbox suddenly hit its storage limit, and I couldn’t understand why. After some checking, I realized I had thousands of duplicate emails from years of syncing my account across multiple devices. EdbMails Duplicate Remover cleared all the unnecessary copies in one run, freeing up several gigabytes of space. Now Outlook is faster, and finding emails is effortless. For anyone dealing with mailbox clutter in Office 365, this is by far the most efficient and cost-effective solution I’ve used.

Emily Carter – United States

As a marketing manager, I often receive the same reports forwarded through multiple rules. Over time, the duplicates piled up and buried important messages. EdbMails Duplicate Remover went through the entire mailbox, removed every extra copy, and kept one clean version of each email. I loved that my mailbox organization remained untouched — just cleaner and faster to use.

Lucas Moreira – Brazil

In our regulated industry, mailbox organization and compliance are critical. Duplicates not only waste storage but can also complicate audits. EdbMails Outlook Duplicate Remover worked flawlessly with our Exchange setup, removing only exact duplicates and ensuring GDPR and HIPAA compliance. The detailed removal report was perfect for audit documentation. I trust it completely with our sensitive accounts.

Ahmed El-Sayed – Egypt

I was struggling with duplicate emails filling up my cPanel email account, making it hard to stay organized. After using EdbMails IMAP Duplicate Email Remover, I was amazed at how easily it solved the problem. The tool seamlessly connected to my cPanel account, quickly identifying and removing duplicate emails. The process was fast, secure, and incredibly simple to follow. No more wasted time searching for duplicates or dealing with cluttered folders. If you're using cPanel for your email and need an efficient way to clean up your inbox, I highly recommend EdbMails IMAP Duplicate Email Remover!

Alejandro González, Spain

I frequently switch between Mac Outlook and Windows Outlook, which often creates sync conflicts. These conflicts led to dozens of duplicate messages and events. EdbMails Duplicate Remover cleaned up everything quickly, and my searches are now much faster. The fact that it supports Office 365, Exchange, IMAP, and PST files makes it versatile for any email environment.

Sophie Martin – France

My main problem wasn’t email — it was my Outlook calendar. A sync issue between my phone and PC started creating multiple copies of recurring events. EdbMails Duplicate Remover identified and deleted the extra entries while keeping one correct version. My schedule is now clean, and I no longer get duplicate reminders for the same meeting.

Kenji Watanabe – Japan

After a system crash, I restored my Outlook mailbox from backups, not realizing it would create duplicates everywhere. EdbMails Outlook Duplicate Remover handled it effortlessly, deleting only the extras while preserving every unique message and attachment. The process was quick, and I didn’t have to worry about losing important data.

Maria Gonzalez – Spain

With my IMAP account connected to three different devices, I constantly ran into sync loops that duplicated messages. EdbMails Duplicate Remover processed the mailbox quickly, cleaned up the extras, and kept everything neatly in place. It’s now the first tool I run when my mailbox starts feeling sluggish.

Peter Novak – Czech Republic

I used to rely on Outlook’s built-in methods for duplicate removal, but they were inconsistent and risky. EdbMails Outlook Duplicate Remover gave me complete peace of mind. It worked seamlessly with my Office 365 account, kept the folder hierarchy intact, and removed only true duplicates. For professionals who value both speed and accuracy, this tool is unbeatable.

Hannah Williams – Australia