Microsoft® Outlook Email Merging Solution
Combine multiple Outlook and Thunderbird® files as separate emails with free cross-platform Apps and APIs
Free Online App for Outlook Merging
Combine MSG, EML, EMLX, OLM, OFT, ICS, VCF & MBOX files in any supported format
High Code APIs to Combine Email Data
Native APIs to combine Outlook & Thunderbird appointments, contacts, email & email archive using .NET, .NET Core, Xamarin, Java, C++, Android & Python