Follow the Steps
1.Visit Gmail > Compose.
2. Now hover over the + icon and click on the Insert files using drive option.
3. Now just drag or choose files from your PC and than your files will be uploaded.
4. Now just add the recipient and send that email, now as soon as you will send email you will
Gmail will check for permissions, for drive, if it asks for access just click on grant access, so that other person can see and receive your files.
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