Ensure the device is connected to the computer via the supplied USB cable.
From the desktop, navigate: Start > All Programs (Programs) > BlackBerry > BlackBerry Desktop Software.
With Windows 10, click Start > Apps icon (located in the top-left corner) > All apps (located in the bottom-left corner) > BlackBerry > BlackBerry Desktop Software / Desktop Manager.
From the left menu, click Organizer.
From the Synchronization Settings section, click Configure settings.
Select one of the following Device apps then click Setup:
Select the appropriate desktop app (e.g. Microsoft® Outlook) then click Next.
The list of Available desktop apps may vary.
Select one of the following synchronization options then click Next:
Two way sync:
Changes are synchronized to the device and desktop app.
One way sync from Device:
If necessary, select (check) 'Replace all data in the target app' to overwrite the existing data when a sync is performed.
Changes are synchronized to the desktop app only.
One way sync to Device:
Changes are synchronized to the device only.
Configure synchronization options as appropriate then click Next.
Available options may vary depending upon the desktop app (e.g. Microsoft® Outlook, Windows Mail, etc.) being configured.
If configuring a web-based desktop app (e.g. Yahoo!), click Options, enter the appropriate ID and Password then click OK.
Repeat steps 5 through 9 as necessary to configure additional device apps.