[neumannk]

I used TrineFix -

you will need Microsoft .Net 3.5 installed



TrineFix is a free utillity for contacts, appointments and tasks on yourWindows Phone

Main features:
* Remove "close match "duplicate contacts (and You decide what fields must be similar to define it as a "duplicate")
* Option to automatically remove any "exact match" duplicates (if their identical, you only need one, right!?
* Set FileAs for contacts ("Firstname Lastname", or "Lastname, Firstname", and so forth)
* Add a default CountryCode-prefixes for phonenumbers that do not have a countrycode
* Change the countrycode-formatting ("001", "+1", so forth) for all phonenumbers
* Remove duplicate appointments
* Bulk remove several appointments, contacts or task with a searchword
* Preview fixes before applying, and you can even manually adjust the fixes before applying in most cases
* Fingerfriendly user interface (if you have a touchscreen)
* Keyboardfriendly user interface (is you have a keypad)
* Adjusts itself automatically to different types of devices (touchscreen/non-touchscreen) and screentypes (QVGA, VGA, WVGA, square screens, ...).
* Built in functionality that notifies you about new releases of TrineFix, and makes it possible to upgrade easily directly from your phone
* Share with friends (send SMS with download links to a friend)