 | Outlook and
Outlook Express | · | Keeps your Outlook Address Book up to date | · | Your data will be consistent across multiple computers | · | Also syncs calendar, tasks and notes |
|  |  | Internet Explorer | · | Keeps your Yahoo! Address Book up to date | · | Quickly look up contact information while browsing the Web | · | Also syncs calendar, tasks and notes |
| |  | Mac OS X | · | Keeps your Mac Address Book up to date | · | Get access to your contacts anywhere through Plaxo Online | · | Synchronize multiple Macs or with your PC through Plaxo |
| |  | Mozilla
Thunderbird | · | Keeps your Thunderbird Address Book up to date | · | Works on all Thunderbird supported platforms: Windows, Mac, Linux and more! |
| |  | Plaxo Mobile
Plus | · | Easy access to your entire smart address book | · | Automatic over-the-air (OTA) sync and backup |
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