Rebex MSG

Microsoft Outlook MSG file format library for .NET.

Published by Rebex
Distributed by ComponentSource since 2003

Prices from: US$ 293.02 Version: 7.0.9561 NEW Updated: Mar 5, 2026

Screenshot of Rebex MSG

Rebex MSG Releases

Released: Mar 5, 2026

Updates in 7.0.9561

Fixes

  • MIME: Fixed ArgumentOutOfRangeException in MimeEntity.SetContent for empty bodies with BOM.

Released: Nov 12, 2025

Updates in 7.0.9448

Features

  • Support for .NET 10 - This release adds a new set of binaries targeting .NET 10. It supports the following platforms:
    • Windows (x64, x86, ARM64).
    • Linux (x64, ARM32, ARM64).
    • Android (x64, ARM32, ARM64).
    • macOS (ARM64, x64).
    • iOS/iPadOS/tvOS (ARM64).
  • Support for Visual Studio 2026
    • All Rebex libraries are now fully supported in Microsoft Visual Studio 2026.
  • Common: Improved work with internal shared array pool.

Fixes

  • Cryptography: Fixed ECDSA support in SignedData.

Released: Sep 16, 2025

Updates in 7.0.9391

Fixes

  • All: Various documentation improvements.

Released: Jun 30, 2025

Updates in 7.0.9313

Features

  • Mail: Added IgnoreRedundantAsn1Data option to MailSettings/MimeOptions.
  • Cryptography: Added IgnoreRedundantData option to SignedData and EnvelopedData classes.

Fixes

  • Cryptography: Fixed NullReferenceException instead of InvalidOperationException in SignerInfo/KeyTransRecipientInfo and SignedData.

Released: Mar 18, 2025

Updates in 7.0.9209

Features

  • Mail: Added workaround for "multipart/signed" entities misplaced as views.

Fixes

  • MIME: Fixed behavior of MimeEntity.GetSignatureEntity() method.
  • MIME: Fixed non-persistence of original headers of detached S/MIME signature entities.

Released: Jan 15, 2025

Updates in 7.0.9147

Features

  • Common: Improved internal APM->TAP bridge for Socket methods on old platforms.

Released: Dec 18, 2024

Updates in 7.0.9119

Features

  • MIME: Added MailMessage.​Settings.​TreatAdditionalMixedTextPartsAsView option.

Released: Nov 12, 2024

Updates in 7.0.9083

Features

Support for Microsoft .NET 9 - This release adds a new set of binaries targeting .NET 9. They support all .NET 9 platforms:

  • Microsoft Windows (x64, x86, ARM64).
  • Linux (x64, ARM32, ARM64).
  • Android (x64, ARM32, ARM64).
  • Apple macOS (ARM64, x64).
  • Apple iOS/iPadOS/tvOS (ARM64).

Fixes

  • Cryptography: Added workaround for EnvelopedData with unpadded RSA EncryptedKey.
  • Cryptography: Added workaround for parsing CMS ASN.1 with redundant zeros at the end.
  • Cryptography: Fixed common name validation...
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Released: Oct 8, 2024

Updates in 7.0.9048

Features

  • Cryptography: Added ValidationOptions.​DisableCertificateDownloads option (only supported on .NET 5 and higher).
  • Cryptography: Improved handling of wrong (negative) serial numbers in X.509 certificates.

Fixes

  • Cryptography: Fixed detection of support for ECDH with brainpool curves on iOS.
  • Cryptography: Fixed padding issues in AsymmetricKeyAlgorithm.​GetKeyMaterialDeriver (did not affect Rebex libraries).
  • Cryptography: Fixed wrong RSA public key format when saving private keys in new...
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Released: Jun 25, 2024

Updates in 7.0.8943

Features

  • Mail: Added support for Sensitivity header when converting between EML and MSG.
  • Cryptography: Added support for issuing certificates signed with Ed25519.
  • Cryptography: Now uses AES/GCM instead of AES/CBC for new OpenSSH key format encryption.

Fixes

  • Cryptography: Fixed calculation of subject key identifier in certificate issuer API.
  • Cryptography: Fixed rare wrong final calculation of Poly1305 hash when temporary storage for remaining data is bigger than input block size.