MailRaider

MailRaider is an application for macOS that allows opening and viewing email files created with Microsoft Outlook. This tool converts messages in .msg, .eml, .oft and .dat formats into readable content, displaying the original text, attachments, and metadata. The utility processes multiple files simultaneously and offers export options to common formats.

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• .msg file viewing. MailRaider opens Outlook messages saved in .msg format, showing the complete email content. The application presents the header, message body, and embedded metadata. The display maintains the original message formatting, including fonts and colors. An option is also available to convert the content to plain text.
• Support for .eml and .oft formats. The application handles .eml files (standard email) and Outlook .oft templates. Each format is interpreted correctly, extracting sender, recipient, and subject data. Files are opened via drag and drop or from the File menu.
• Opening .dat files. MailRaider can read certain .dat data files generated by Outlook. This function analyzes the file structure to extract and present the message information. It is useful for accessing emails stored in backups or older formats.
• Attachment viewing. The application identifies and lists all attachments embedded within the message. Attachments are displayed in a dedicated side panel. Their name, type, and size can be previewed without needing to open them with another application.
• Export to RTF format. Opened messages can be exported to documents in Rich Text Format (.rtf). This process preserves basic text formatting, such as bold, italics, and lists. The resulting file is compatible with common word processors.
• Export to EML format. The tool converts Outlook messages to the standard .eml format. This conversion facilitates importing the email into other email clients. The generated .eml file contains all elements of the original message.
• Export contacts to vCard. If a message contains contact information, MailRaider extracts this data and exports it as a vCard file (.vcf). The contact card includes name, email address, phone number, and other available details. vCard files are compatible with address book and contacts applications.
• Export calendar events. The application detects meeting requests or appointments embedded in messages. This data is exported to standard calendar formats, such as .ics files. This feature allows recovering event information from archived emails.
• Export to MBOX format. MailRaider can export one or multiple messages to an MBOX file. This format is used by many email clients as a mailbox file. The export groups multiple emails into a single structured file.
• Export to XML. The application offers the option to export the complete message content to an XML file. This file contains a structured representation of all data, metadata, and attributes. It is useful for data analysis or subsequent processing by other tools.
• Metadata inspection window. A dedicated inspector displays all technical metadata of the email file. This includes information about server paths, message identifiers, timestamps, and MIME headers. This data is relevant for auditing or diagnostic purposes.
• Customization of display fonts. In the application preferences, fonts used to display the message header and body can be configured. Typeface, size, and style can be selected. The change applies to all messages opened during the session.
• Batch processing. MailRaider handles multiple email files in a single operation. Users select several files, and the application opens them in separate tabs or windows. This feature saves time when reviewing collections of archived emails.
• Direct printing. The application includes an integrated print function. It prints the content of the current message, including basic text and formatting. Print options allow configuring margins, scale, and number of copies.

MailRaider was created by 45rpm Software, a developer of applications for macOS. The program was initially released around 2012, responding to the need of users migrating from Windows to Mac who needed access to their archived Outlook emails. The application is written in Objective-C and uses native macOS frameworks for its interface and functionalities.

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