Empty Folder Cleaner is a free advanced utility to delete empty folders from your computer and remove the clutter in order to increase performance. Backup files of the folders that are deleted can be kept and each deletion can be undone.
Downloads: 52281 - Freeware - Download Now

Voimaks Lotus Notes to Office 365 Migration tool to migrate mailboxes from Lotus Notes to Office 3655. It supports batch migration mailboxes from Domino Lotus Notes Server to Office 365. It also saves Lotus Notes items into MSG&EML file format.
Downloads: 53984 - Shareware - Download Now

Get Zimbra Mail to Office 365 Converter to migrate email from Zimbra to Office 365. The tool supports batch migration of Zimbra user accounts’ data to Outlook for Web.
Downloads: 61766 - Shareware - Download Now

MSG Contacts to PDF Converter is a simple utility to convert MSG contacts to PDF in batch with first name, last name, middle name, phone number, mobile number, email, address (business & home), business fax, notes, activities, certificates, website.
Downloads: 54908 - Shareware - Download Now

EML to Zimbra Converter works perfectly when it comes to import EML files into Zimbra Desktop, it also has batch mode option.
Downloads: 80213 - Shareware - Download Now