sending an email attachment securely..

i can put a password on a file and send it by email. is that the best way to send secure info for business transactions?

if yes, what is the industry standard on how to communicate what the password is? that cant be clear-text either...
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25112Asked:
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McKnifeCommented:
Google about The combination of the  terms pulic key ans private key.
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TechOps07Commented:
I would recommend downloading and installing 7-Zip. You can encrypt the file and put a password on the attachment as well.

Use 256bit on the encryption, that is what we use for our confidential files.
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5itfaceCommented:
TechOps07,

How would I encrypt the file? How is that done? Once encrypted, how do I send it using 7-zip?
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