Mail Backup Library

Backup mail from popular services such as Gmail and Office365.

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Red Carpet Subscription Vol. 2 2024 - What's New
Mail Backup Library

Cloud Backup Components

Cloud Backup offers a convenient and dependable method for backing up Gmail and Office365 emails. Emails are archived in the widely recognized .eml format, compatible with popular email clients like Outlook, Thunderbird, Apple Mail, and others. Messages and associated information are saved to disk by default, with the option to intercept events if a different storage location (e.g., database, S3) is preferred. The flexible components allow selectively skipping messages, managing the maximum number of concurrent connections, filtering messages, and more.

Backup Messages Locally

Add a layer of redundancy by backing up messages stored in Cloud Mail services.

Standard File Format

Messages are stored in standard .eml (RFC 822) format for compatibility with all major mail clients.

No Database Required

All messages are stored on disk at the specified location. Copy or move backed up messages with ease.

Uniform & Extensible Design

Very easy to use, with a uniform, intuitive, and extensible design. Common component interfaces across platforms and technologies.

Fully Integrated Components

Native software components for any supported development technology - with no dependencies on external libraries.

Blazing Fast Performance

Based on an optimized asynchronous socket architecture that has been actively refined for over three decades.

Red Carpet Vol. 2 2024 Now Available

IPWorks 2024, SecureBlackbox 2024, Cloud Identity, DTLS, and more

The 2024 release of IPWorks, SecureBlackbox and more brings all-new capabilities and across-the-board enhancements to authentication, encryption, and performance. IPWorks features a new DTLS toolkit, a new CardDAV component, and more. SecureBlackbox sees major enhancements to PDF & XML signing. And we are pleased to introduce Cloud Identity, a simple, new toolkit for building SSO capabilities into web apps.

Download Cloud Backup or read the update highlights.

Product Features

  • Standard .eml (RFC 822) format works with Outlook, Thunderbird, Apple Mail, and more.
  • Simple to setup, yet highly flexible.
  • Integrated OAuth simplifies authentication.
  • No database required. All data is stored on disk in a specified location.
  • Multiple connections for improved performance.
  • A complete unified framework with a common, easy-to-learn object model and simplified interfaces enable you to do more.
  • Components are thread-safe on critical members.
  • Fast, robust, reliable components that consume minimal resources.
  • Native development components for all supported platforms and technologies.
  • Rigorously tested, rock solid libraries that have undergone hundreds of thousands of hours of testing both internally by our QA team and externally through customer installations.
  • Detailed reference documentation, sample applications, fully-indexed help files, and an extensive online knowledge base.
  • Backed by multi-tier professional support, including free email support and enterprise-level paid support.

Supported Platforms


.NET Framework & Cross-platform Components

Based on a 100% C# codebase, with no dependencies on native code. The edition of choice for all .NET applications.


Cross-platform support for Windows, Linux, macOS and anywhere .NET is supported. Due to OS limitations, not all features are available on all operating systems. Native libraries are also available for individual platforms.

  • Fully-managed .NET components written in C#.
  • Support for .NET 8, .NET 7, .NET 6, .NET 5, .NET Core 3.1, and earlier.
  • Support for .NET Framework 2.0 - 4.8.
  • Works with Xamarin and MAUI via .NET 6.
  • .NET Standard 2.0 and 2.1 support.
  • Fully asynchronous API available.
  • Cross-platform support.
  • Support for Windows IoT.
  • Comprehensive integrated product documentation.
  • Seamless integration with Visual Studio.
  • Extensive sample applications written in C#.


Pure Java Classes (Java/J2EE)

Pure Java objects exposed through an intuitive API for portability across all major platforms.

  • Pure Java Classes.
  • Includes an extensive library of samples written in pure Java.
  • J2EE version is optimized for sever side development.
  • Seamless integration with popular development environments including JBuilder, Eclipse, and IntelliJ.
  • Support for JDK version 1.7 and up.

Components for Backup Cloud Mail

The following components are included in Cloud Backup. Please note that due to platform limitations, not all components are available in all editions.

Included Samples

The following sample projects are installed with the product. Please download the trial to get started.

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Everything in One Package

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