SimpleSYN now uses the default waste folder instead of a sub folder for its deletions. This prevents reminders being shown for deleted items
Enhanced compatibility with third-party synchronization tools
The SimpleSYN add-in could prevent Outlook from sending emails if more than one data files are available
Enhanced sorting of duplicates in the Duplicate Finder
Minor bug fixes and optimizations
Version 3.0 (Build 5008) released 2/8/2013:
Fixes a problem that could cause duplicated items
Minor bug fixes
New Version 3.0 released 2/7/2013
NEW: Support of Windows 8 (32-bit/64-bit)
NEW: Support of Outlook 2013 (32-bit/64-bit)
NEW: New User Interface and optimization for Windows 8
NEW: Support for Windows Server 2008 R2 and Windows Server 2012
NEW: Support for fast user switching. SimpleSYN can now be used by more than one user simultaneously
NEW: Support for Microsoft terminal server
NEW: New network connection. The synchronization via the internet is now also possible if some intermediaries like ISPs, firewalls or routers are blocking protocols required by version 2.1
NEW: Optimized set-up
NEW: Optimized synchronization when using more than 10 clients
NEW: Enhanced duplicate finder
NEW: The new version is now based on .NET Framework 4
Bug fixes and optimizations
Version 2.1 (Build 4189) released 6/23/2011:
Solves a problem where SimpleSYN could reset its settings under certain conditions
Enhanced support for Exchange public folders
Enhanced support for Outlook 2010 (64bit)
Minor bug fixes and improvements
Version 2.1 (Build 3936) released 10/16/2010:
NEW: Improved communication
The communication was reconfigured to the Windows Communication Foundation and the "Peer Name Resolution-Protocol (PNRP)"
NEW: Improved security
The communication is digitally encrypted with AES 256-Bit in the standard setting
NEW: Improved conflict resolution
NEW: Improved SimpleSYN client configuration
The configuration of the SimpleSYN client computer is now separated and automatically installed in the standard setup. That means Windows users are no longer required for individual synchronization settings
NEW: Improved user administration/assignment of user privileges
SimpleSYN does not only make use of the Windows/domain user, but also has its own internal user administration. This allows the assignment of user privileges to be quickly and easily realized by SimpleSYN users
NEW: Internet synchronization (only Business Version)
NEW: Filter function (only Business Version)
NEW: The synchronization can now be paused
NEW: The folders are now sorted alphabetically in the synchronization settings
NEW: The user interface has been visually improved
NEW: The documentation has been completely revised
NEW: Support of Outlook 2010 (32bit/64bit)
The synchronization settings on the SimpleSYN clients are no longer deleted by locking the Outlook pst
Data files are now shown sorted in the synchronization settings
Improved recognition of duplicates
Improved allocation of items during the initial synchronization
Synchronization problems between exchange servers were rectified
Improved firewall check and approval under Windows Vista and Windows 7
Several smaller bug fixes and optimizations
Version 2.0 (Build 3512) released 8/21/2009:
NEW: Windows7 is now supported
Better Unicode handling
Enhanced Windows Firewall detection
Version 2.0 (Build 3496) released 7/29/2009:
Enhanced support for long folder names, when using other encodings as Latin
Enhanced compatibility with some system tools, which are deleting temporary files
Version 2.0 (Build 3455) released 6/18/2009:
A rare problem when creating new Outlook folders is fixed
A compatibility problem between SimpleSYN and other Outlook add-ins is fixed
An error when exiting SimpleSYN while synchronizing is fixed
Several minor bug fixes and optimizations
Version 2.0 (Build 3434) released 5/28/2009:
NEW: SimpleSYN 2.0 does now include automatic updates
When switching the active Outlook profile, SimpleSYN has sometimes started to synchronize too many items again. This problem is fixed with this release
When synchronizing the folder which is used for deleted items, SimpleSYN stopped working. This folder can no longer be synchronized
SimpleSYN sometimes stopped working if an invalid target folder was specified. This problem is fixed now
Several minor bug fixes and optimizations
Version 2.0 (Build 3407) released 4/30/2009:
Problems with special characters like ‘/’ in folder names are fixed
Performance and memory usage optimized if a lot of folders are synchronized automatically
Performance optimization while synchronizing many similar items
Invalid Outlook profiles will not crash SimpleSYN anymore
None existing folders on the client side will now be created automatically while configuring a client
Minor optimization and bug fixes
New Version 2.0 released 3/27/2009
NEW: Intuitive user interface
NEW: Setup is carried out in a few steps through a configuration wizard
NEW: Improved system capacity, quick data adjustment
NEW: Different Outlook folders can get synchronized with several computers to exclude in that way certain items from the synchronization
NEW: Synchronization of several computers with individual synchronization setting
NEW: Extensive solutions for synchronization conflicts (manually, completely automatically)
NEW: Selection, which Outlook element should get synchronized
NEW: New security setup
NEW: With the version 2.0 an altered license and price model is getting introduced
NEW: New feature "Duplicate finder"
NEW: Better supports of Windows Vista
Version 1.3 (Build 5092) released 1/2/2007:
Under certain circumstances SimpleSYN.NET could prevent emails from being send if the outbox folder was opened
Version 1.3 (Build 5088) released 12/8/2006:
NEW: SimpleSYN.NET supports Microsoft Vista and Outlook 2007 now
Version 1.3 (Build 4466) released 10/23/2006:
NEW: New menu item in “SimpleSYN.NET > Tools > Repair Links” to manually update links to contact items inside another item
NEW: New menu item in “SimpleSYN.NET > Tools > Repair distribution list” to manually update links to contact items inside a distribution list
NEW: New folders for contact items are now automatically added to the address book
NEW: If you are upgrading from version 1.3 your settings will be kept. For upgrading from version 1.2 first uninstall SimpleSYN.NET from the control panel
SimpleSYN.NET displayed error messages in the tray area under certain circumstances. These errors are now solved
Under certain circumstances the content of some items was not synchronized, if the items were created by an external application which was not RTF aware
A very rare error during synchronization has been removed
Links to contact items inside another item are now automatically updated
Links to contact items in a distribution list are now automatically updated
Version 1.3 (Build 4202) released 8/10/2006:
Bug fix for SimpleSYN.NET under Windows 2000
SimpleSYN Mobile version history
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.
New Version 2.0 released 9/8/2023
NEW: Version 2.0 is available to all subscription users at no extra cost. Users of the lifetime license of SimpleSYN Mobile 1.x are recommended to purchase an upgrade. If the current license is also valid for version 2, the new version will be installed automatically.
NEW: On the "Devices" page it is now shown whether a device is connected and synchronizing. The following states are distinguished:
1. Offline: Device is not connected and there is no data available when the device was last connected. The icon of the device is grayed out.
2. Online: It shows for several minutes that a device is connected or has been recently. The device's icon is displayed in blue, but changes to gray after 30 seconds.
3. Sync: While data is being transferred, the device icon is displayed in blue and with a sync animation.
4. Push Sync: If a device is connected and has activated push synchronization, the device icon is displayed in green.
In addition to the different device icons and colors, a text with identical status information is displayed.
NEW: Displays detailed messages about the status of the connection and error messages under "Information".
NEW: Birthdays from contacts can be skipped when synchronizing the calendar. This prevents the birthdays from being duplicated in iOS and other calendar apps.
NEW: Contains the Outlook add-in known from SimpleSYN with additional functions:
Restore Deleted Items: Allows you to restore items that were deleted during synchronization.
Find duplicates: Searches an Outlook folder for duplicates and similar items and allows you to quickly clean up found duplicates.
NEW: The synchronization status of devices can be deleted.
Improved: Deleted items backed up during synchronization can be automatically deleted after a configurable period of time.
Improved: The options on the configuration page have been better arranged.
Improved: Allows to start without user login and without specifying a Windows password.
Improved: The configuration of the advanced options now directly shows the required changes to the Windows configuration. The adjustments can be made quickly with one click.
Improved: The status display of the synchronized data can be sorted.
Improved: The icon in the notification area is now also displayed in gray if the connection to the central servers does not exist. Previously, it only represented whether the sync process was executed.
Improved: Outlook no longer needs to be started to send e-mails so that e-mails can be sent immediately. Note: This requires the use of the default Outlook profile.
Improved: Performance has been optimized in many places.
Improved: A link to the privacy policy has been added under "Information".
Improved: Allows you to disable hardware acceleration of the UI, either via a setting under "advanced options" or via the command line parameter "/rendermode softwareonly". This makes it possible to circumvent display problems on some systems, especially when accessed via remote maintenance software.
Improved: Deleted folders no longer appear under "Devices".
Improved: The product ID in the "About" dialog can now be copied.
Improved: When creating error reports, the path can now be copied.