How do I transfer videos into an external sd card?
I have some videos recorded on a lenovo tablet that have too large a file size to be sent by gmail, and the tablet I used lacks a USB port, but has a place to insert an external SD card. I've found plenty of tutorials explaining how to get the tablet to automatically save any new videos to the external SD card, however I've been unable to find a tutorial that explains how to transfer the videos which already exist in internal storage onto the external SD card. Please help.
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