SimpleSYN Desktop version history

Version 1.3 (Build 4186) released 8/1/2006:
  • NEW: The new version of SimpleSYN.NET is now based on .NET Framework 2.0
  • Performance improvement
  • Minor bug fixes
Version 1.2 (Build 2974) released 7/4/2006:
  • This release fixes problems between SimpleSYN.NET and other Outlook Add-ins based on Microsoft.NET
Version 1.2 (Build 2108) released 6/22/2006:
  • Fixes a compatibility issue between SimpleSYN.NET and ActiveSync
  • Minor bug fixes
Version 1.2 (Build 2068) released 4/6/2006:
  • NEW: Licensing revision
  • NEW: SimpleSYN.NET now in English
  • SimpleSYN.NET could be deactivated by Outlook under some circumstances. This bug was fixed in this build
  • Minor bug fixes
Version 1.2 (Build 2040) released 2/6/2006:
  • In rare configurations the synchronization was disconnecting
Version 1.2 (Build 2038) released 1/23/2006:
  • The Registration is now working with MS .NET Framework 2.0
  • Fixes an error while closing Outlook
  • Minor Bugfixes

SimpleSYN Mobile version history

Version 3.6 (Build 14312) released 11/13/2025:
  • NEW: Improved validation of advanced options to prevent invalid configurations.
  • Fixed: Crash when closing SimpleSYN if another instance was active.
  • Fixed: Changes to the message text or notes field of contacts and appointments were sometimes not detected and only synchronized after an additional modification.
  • Various internal improvements and optimizations.
Version 3.5 (Build 14028) released 8/28/2025:
  • It is no longer possible to disable both HTTP and HTTPS simultaneously under “Advanced Options,” preventing configuration errors.
  • A rare crash that could occur when opening or closing data files in Outlook has been resolved.
  • Improves the behavior when exiting SimpleSYN Mobile
Version 3.4 (Build 13629) released 4/29/2025:
  • Fixed a synchronization issue with some apps, including 'Task & Notes'.
  • Fixed an issue where the synchronization process could not be stopped after an Office update.
Version 3.3 (Build 13610) released 4/10/2025:
  • Fixed an issue with the display of images in synchronized emails.
  • Fixed a problem where the synchronization process sometimes did not restart after an Office update.
Version 3.2 (Build 13520) released 3/20/2025:
  • Fixes a potential issue with message body synchronization.
Version 3.1 (Build 13506) released 3/6/2025:
  • Fixes an issue that caused synchronization to stop unexpectedly.

New Version 3.0 released 2/25/2025

  • NEW: .NET 8: SimpleSYN Mobile now uses .NET 8.
  • NEW: Integrated Web Server: Instead of the Windows HTTP service, an independent web server is now used.
  • NEW: Additional Language Packs: SimpleSYN has been automatically translated into the following languages. Please report errors and suggestions for improvement via the feedback function:
    • Czech
    • Danish
    • Greek
    • Spanish
    • French
    • Italian
    • Dutch
    • Polish
    • Portuguese
  • NEW: Outlook 2024: Support for Outlook 2024.
  • Improved reliability with Office updates.
  • Feedback Function: The feedback function has been improved.
  • The folder path is now displayed under status.
  • The password can be displayed during input.
  • Changes to the hostname are no longer possible when using the HTTP relay service.
  • Fixes an issue that prevented the "Deleted Items Folder" from syncing, causing deletions from the device to fail.

Version 2.8 (Build 13611) released 4/11/2025:
  • Fixes an issue that caused synchronization to stop unexpectedly.
  • Fixed an issue with the display of images in synchronized emails.
  • Fixed a problem where the synchronization process sometimes did not restart after an Office update.
Version 2.7 (Build 13115) released 11/15/2024:
  • Fixes a bug that sometimes caused the initial setup dialog to not be displayed.
Version 2.6 (Build 12417) released 4/26/2024:
  • Fixes a compatibility issue with Samsung apps and improves the reliability of the synchronization in general.
Version 2.5 (Build 12321) released 3/22/2024:
  • Fixes an issue when moving an item from one folder to another. This also applies to deleting an item from an device.
Version 2.4 (Build 12214) released 2/14/2024:
  • Changes behavior in the event of potential conflicts. If an item is changed in Outlook, simultaneous changes are now still applied by the end device, as long as no synchronized data fields have been changed.
    For any other change, conflict resolution is left to the end device. As a rule, this means that the changes are copied from Outlook and changes to the end device are overwritten.
  • Changes the behavior when an device sends unexpected or additional data fields. This data will now be ignored and the synchronization will continue. Previously, the synchronization of the affected item was rejected with an error.
  • Fixes an error when synchronization reply-to email recipients in the x64 version.
  • Fixes a possible vulnerability in the SimpleSYN installer component.
  • Changes of the available CALs are now applied in a more timely manny, without the need of a manual activation.
  • Minor bug fixes and optimizations.
Version 2.3 (Build 11920) released 11/20/2023:
  • Fixes an issue that prevented a retrial period when upgrading from version 1 to version 2.
    If you have purchased a lifetime license for SimpleSYN v1, you can now test it again free of charge for a full 30 days after installing v2.
  • Deleting a device's sync status may only work if sync was manually disabled in advance.
  • The "Configuration" page has been improved when using a large number of user accounts.
Version 2.2 (Build 11818) released 10/18/2023:
  • When SimpleSYN Mobile and the sync process are running as administrator, the sync process was not detected as started. The status display of the end devices was also not available.
    Note: We recommend that you do not run SimpleSYN and Outlook as administrators for security reasons.
Version 2.1 (Build 11806) released 10/6/2023:
  • Addresses a compatibility issue that arises when using iOS 17, where certain appointments were displayed as meeting invitations instead of regular appointments.
    Note: If your appointments were erroneously synchronized, please disable calendar synchronization in your iOS device's account settings and then re-enable it.