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1-Click Duplicate Delete for Outlook

New versions can be installed 'over' the old version. The configuration files will automatically be converted. If you already licensed an older version, you may download an update.

If you'd like to get informed when a new version is released, please register with our newsletter, read our Duplicates blog (rss).


Changes in version 5.09 (compared to 5.08):
Changes in version 5.08 (compared to 5.07):
Changes in version 5.07 (compared to 5.06):
Changes in version 5.06 (compared to 5.05):
Changes in version 5.05 (compared to 5.04):
Changes in version 5.04 (compared to 5.03):
  • Improved: Recognition of duplicate e-mails containing links
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 5.03 (compared to 5.02):
Changes in version 5.02 (compared to 5.01):
Changes in version 5.01 (compared to 5.00):
  • Fixed: Long waiting times for large Exchange accounts
  • Fixed: Possible crash with some Outlook versions
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 5.00 (compared to 4.17):
  • Preferred folders: Option to use the longest folder name possible
  • Contacts: Mr./Mrs. in name can be filtered out
  • Also be able to clean project comments
  • Improved: Newsletters-support
  • Improved: Handling of invalid object types
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.17 (compared to 4.16):
  • Fixed: Crash during Outlook start on some systems
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.16 (compared to 4.15):
  • Fixed: Rare problem with trash folder on some systems
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.15 (compared to 4.14):
Changes in version 4.14 (compared to 4.13):
  • Fixed: Sometimes duplicates in PST files couldn't be removed
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.13 (compared to 4.12):
Changes in version 4.12 (compared to 4.11):
  • Fixed: Rare crash when starting Outlook
  • Fixed: Problem with toolbars under Outlook 2007
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.11 (compared to 4.10):
  • New: Function to "clean" objects to remove "old" or "Copy" texts
  • Fixed: Possible crash since last Windows update
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.10 (compared to 4.09):
Changes in version 4.09 (compared to 4.08):
  • Improved: Recognition of duplicate newsletters
  • Improved: Installer
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.08 (compared to 4.07):
  • Improved: Duplicate recognition for appointments on Exchange servers
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.07 (compared to 4.06):
  • Improved: Duplicate recognition for e-mails
  • Improved: Duplicate recognition for appointment series
  • Improved: GMail compatibilty
  • Fixed: Possibel crash when starting
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.06 (compared to 4.05):
  • Fixed: Problems while starting with Outlook 64 bit
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.05 (compared to 4.04):
  • Improved: Memory usage reduced
  • Improved: Duplicate search for posts and notes
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.04 (compared to 4.03):
  • Improved: Stability
  • Improved: Info for Microsoft EMET
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.03 (compared to 4.02):
  • Improved: Duplicate recognition e-mails
  • Improved: Duplicate recognition calendar items
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.02 (compared to 4.01):
  • Improved: Outlook 2013 Compatibility
  • Improved: Duplicate recognition e-mails
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.01 (compared to 4.00):
  • Improved: Duplicate recognition calendar items
  • Improved: Duplicate recognition contacts
  • Improved: Outlook 2013 Compatibility
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 4.00 (compared to 3.19):
  • New: Outlook 2013 is now supported
  • Improved: Duplicate recognition for contacts
  • Fixed Possible crash uner Outlook 64-bit
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.19 (compared to 3.18):
  • Improved: Duplicate recognition and merging for contacts
  • Improved: Duplicate recognition for calendar items
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.18 (compared to 3.17):
  • Improved: Better path info in confirm dialog
  • Improved: Comparison of newsletter e-mails
  • Fixed: Error when the scan was used multiple times
  • Fixed: Contacts with title sometimes weren't merged correctly
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.17 (compared to 3.16):
  • Improved: Less RAM used
  • Improved: Duplikate recognition for e-mails
  • Fixed: Recycle bin sometimes wasn't found
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.16 (compared to 3.15):
  • New: Time tolerance for calendar items
  • Improved: Contact duplikate recognition
  • Improved: Duplikate recognition for newsletters, attachments, special characters
  • Fixed Problems with deleting under Exchange
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.15 (compared to 3.14):
  • Improved: Recognition of Titles in the contact
  • Improved: Help when nothing was found
  • Improved: Recognition of recurring calendar items
  • Improved: Scanning on an Exchange server with many folders could be slow
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.14 (compared to 3.13):
  • Improved: Recognition of similar mails
  • Improved: Memory use reduced
  • Improved: Loading the add-in is now more stable
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.13 (compared to 3.12):
  • Improved: Recognition of duplicate newsletters
  • Fixed: Problem with first Outlook start after a reboot
  • Fixed: Problem with duplicate notes in advanced scan
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.12 (compared to 3.11):
  • New: Tutorial
  • Improved: Contact merging for swapped first / last names
  • Fixed: Problems when selecting a folder in the advanced scan dialog
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.11 (compared to 3.10):
  • Improved: Speed
  • Improved: Various hint and help texts
  • Improved: Contact merging for swapped first / last names
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.10 (compared to 3.09):
Changes in version 3.09 (compared to 3.08):
  • New: Contacts with swapped first/last name are automatically recognized
  • New: Image in progress dialog can be turned off
  • Improved: Duplicate recognition in several special cases
  • Improved: Outlook 2007 compatibility
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.07 (compared to 3.06):
  • Improved: Recognition of appointments with attachment
  • Improved: Recognition of appointment series
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.06 (compared to 3.05):
  • Fixed: User-defined comparison didn't work in some combinations
  • Fixed: Outlook 2010 Click-To-Run installation wasn't supported
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.05 (compared to 3.04):
  • Improved: Duplicate recognition now easier to use
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.04 (compared to 3.03):
Changes in version 3.03 (compared to 3.02):
  • New: Complete support for Outlook 2010
  • New: Program function to compare 2 items
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.02 (compared to 3.01):
  • New: Support for Outlook 2010 (32-Bit)
  • Improved: Name handling for the duplicate recognition
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.01 (compared to 3.00):
  • Improved: Nicer user interface
  • Fixed: Problem with categories when merging contacts
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 3.00 (compared to 2.01):
Changes in version 2.01 (compared to 2.00):
  • New: Birthdays and aniversary can be joined be for contacts
  • Fixed: Objects sometimes couldn't be deleted
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 2.00 (compared to 1.23):
  • New: Duplicates can be grouped by their differences
  • New: Change from the confirmation dialog back to Outlook now possible
  • Improved: Duplicate recognition in many cases
  • Improved: Undo
  • Fixed: Error in progress dialog
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.23 (compared to 1.22):
  • Improved: Duplicate recognition
  • Improved: Better installer
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.22 (compared to 1.21):
  • Improved: Duplicate recognition for e-mails with transfer changes
  • Fixed: Crash on scanning bad PST files
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.21 (compared to 1.20):
  • Improved: Duplicate recognition
  • Improved: Outlook 2002 compatibility
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.20 (compared to 1.19):
  • Improved: Speed for Exchange servers
  • Improved: More space for folder drop-down lists
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.19 (compared to 1.18):
  • Improved: Speed for Exchange servers
  • Improved: More space for folder drop-down lists
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.18 (compared to 1.17):
  • New: help file
  • New: Using preferred keeping folders
  • Improved: Contact comparison
  • Improved: Error message
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.17 (compared to 1.16):
  • Improved: Contact merging
  • Improved: Support for Outlook's in other languages
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.16 (compared to 1.15):
  • New: "(Old: )" can now be removed / not created
  • Improved: Support for Danish Outlooks
  • Improved: Recognition of calendar duplicates
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.15 (compared to 1.14):
  • Improved: Error handling after software problems
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.14 (compared to 1.13):
  • Improved: Speed for extremly big exchange servers
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.13 (compared to 1.12):
Changes in version 1.12 (compared to 1.11):
Changes in version 1.11 (compared to 1.10):
  • New: Recognition of different capitalization
  • New: Support of recurring tasks
  • Improved: Compatibility to Exchange servers
  • Fixed: Problem with merging merged objects
  • Fixed: Problem with Outlook 2000
  • Fixed: Problem with contacts that don't have person names
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.10 (compared to 1.09):
  • Improved: Merging of merged contacts
  • Fixed: Problems with russian Outlook
  • Fixed: Wrong price displayed in special case
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.09 (compared to 1.08):
  • Fixed: Some details concerning Vista and Outlook 2007.
  • ...and some minor details and help text changes.

Changes in version 1.08 (compared to 1.07):
  • Fixed: Error message at the start of Outlook on some installations
  • ...and some minor details and help text changes.

Changes in version 1.07 (compared to 1.06):
  • Improved: Display of differences in very long texts
  • Improved: Recognition of duplicates with small differences
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.06 (compared to 1.05):
  • Fixed: Problem with button icons on some systems
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.05 (compared to 1.04):
Changes in version 1.04 (compared to 1.03):
  • New: Using the recycling bin of corresponding PST file
  • New: Contakt-Duplicates that have a different Dr.Title are now recognized, too
  • New: Duplicates from OlTrans now get recognized, too
  • ...and some minor details and help text changes. More details in our blog.

Changes in version 1.03 (compared to 1.02):
  • New: Options menu for 1-click Mode
  • New: Automatic Recognition of similar objects now also for advanced mode
  • ...and some minor details and help text changes

Changes in version 1.02 (compared to 1.01):
  • Improved: Compatibility with Outlook 2007
  • Improved: Recognition of almost-duplicates in 1-click mode
  • ...and some minor details and help text changes

Changes in version 1.01 (compared to 1.00):
  • Fixed: Problem with english version
  • ...and some minor details and help text changes

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