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Download a wifi direct app and you should be able to do so
You can for example use OfficeSuit which is preinstalled on some markets. Search and find the file in OfficeSuite > press and hold the file > send using Wi-Fi direct.
How big is the file?
Open settings > Wi-Fi > menu button > Wi-Fi Direct.
Search and pair with the device you want to receive a file from. Then you should be able to receive the file using Wi-Fi direct.