Released: Apr 30, 2026

Updates in V26.4

Features

• Added support for the correct creation and deletion of Calendars and Calendar List entities depending on the DataOwner field for the Google client.

Fixes

• Exception when adding MapiContact to Deleted Items folder in PST using Aspose.Email .NET.
• Issue with FindAndEnumerateSoftDeletedItems(): IEnumerable iteration breaks after exception in GetFolderById().
• Unable to parse valid RRULE.
• Corrupt MSG causes OutOfMemoryError.

Released: Mar 28, 2026

Updates in V26.3

Features

• Added support for X-MICROSOFT headers when loading and saving appointments in ICS format.
• Added support the 'dataOwner' field and related methods for Calendar in Aspose Google client.

Fixes

• Aspose email does not read multi-line header.
• The Subject property of the 'MapiMessage' object returns null after being set to an empty string.
• Japanese MS932 charset causes text corruption when importing RFC-822 emails to PST.
• Unicode (Chinese) attachment filenames are corrupted when sending via...

Released: Jan 31, 2026

Updates in V26.1

Features

• Added asynchronous methods to Aspose Google client.

Fixes

• FindAndExtractSoftDeletedItems method not detecting deleted messages in OST files.
• MSG to EML CSS conversion of !important tag.

Released: Dec 25, 2025

Updates in V25.12

Features

• Implemented batch update support for message read/unread flags in PST.
• Added support for saving MapiContact contacts to vCard 3.0 and vCard 4.0.
• Improved extracting Tasks from .tgz files.
• Added Aspose.Email.DKIM.Verify method for MailMessage verification.

Fixes

• ContentId no longer auto-generated for MHT AlternateViews/Attachments since 25.7.
• FormatException when decoding malformed Base64 subject header containing misplaced period in encoded-word.

Released: Nov 9, 2025

Updates in V25.11

Features

• Implemented the ability to add attachments to messages in PST.

Fixes

• Issue in message extraction from PST.
• Error occurring during item updates in PST folders.
• NullReferenceException when calling ListMessages method using Graph API client.
• NullReferenceException occurs during MSG to EML conversion when content-type named property has a null value.
• Incorrect recurrence pattern when creating Monthly/Yearly Ordinal appointments via MS Graph.
• Graph CreateCalendarItem ignores MAPI reminder.

Released: Sep 30, 2025

Updates in V25.9

Fixes

• Outlook fails to open MSG files saved from certain PST messages using SaveMessageToStream.
• UpdateMessage removes embedded messages.
• Calendar yearly Recurrence date is shifting to 1 year later than expected.

Released: Aug 30, 2025

Updates in V25.8

Features

• Added support of query parameters for Aspose.Email Graph client.
• Added asynchronous methods to Aspose Graph client.
• Added ExchangeAddress property to MailAddress to store address in exchange format.
• Added support for multiple header fields with same name.

Fixes

• When converting an MSG file to PDF, Sent Date appears twice.
• Google client's "List Calendars" method fails when server returns "Forbidden" status.

Released: Jul 31, 2025

Updates in V25.7

Features

• You can now extract HTML Body image external resources as attachments (HTML, MHTML conversion).

Fixes

• MSG to HTML: Page break is inserted in the resultant file.
• Images are not correctly embedded when saving MSG to HTML.
• GraphClient ListFolders() fails in GCC environment: "Stream does not support seek operations" Exception.
• Wrong Content-Id of MailMessage Attachments.
• Aspose.Email incorrectly classifies attached image as LinkedResource instead of Attachment.
• Exception key not present in...

Released: Jun 30, 2025

Updates in V25.6

Features

• Implemented a method for enumerating twice-deleted messages from PST.
• Added the ability to set encoding in the meta tag when saving in HTML and MHTML.

Fixes

• Pagination in FolderInfo.getContents(MailQuery query… does not work correctly.
• Extract embedded images as resources when loading from HTML.
• IPM.Contact item, load and save as HTML - gives corrupted output.
• IPM.Sharing extra characters.
• MBOX to TiFF Text Render Issue.
• MSG to EML: Missing filename in Content-Disposition for some...

Released: Jun 11, 2025

Updates in V25.5.1

Fixes

• Fixed security issue in version targeting .NET Framework 4.8.