Step 1:
Launch your RingCentral mobile app on your device.

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Step 2:
Tap Menu Contacts.

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Step 3:
Tap the drop down menu and select Set Filters.

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Step 4:

Tap Show All Contacts.

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Step 5:
You can choose among the following options:
 

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Step 6:
Check your contacts if they have been imported on your RingCentral app.

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