Most of the Users want to view OLM files, but they are not aware of the reliable tool, so they can use MacSonik OLM Viewer Pro. This tool maintains the folder hierarchy of the mailbox items menas It keeps the original structure of the files, folders, and subfolders intact during the view and conversion process. As a result, it becomes easy to locate and manage the outgoing files/folders. And provide the feature to View & Migrate Emails Without Attachments. This is a top-notch utility that allows users to preview and convert OLM files with or without their attachments. You can only save email files locally to minimize the required storage space.