The meaning of the Acronym EF is...

EF is

• Expedited Forwarding
• Electronic Filing

More Meanings For EF:

• Eject Fix
• Existing File
• Error Free
• External File
• Evaluation Of Friend
• Emission Factor
• Energy Factor
• Extra Fine
• Easy Flow
• Electric Field
• Extremely Fine
• Emergency Food
• Environmentally Friendly
• Exhaust Fan
• Elementary File

EF is also in:

• Assembly
• Chat
• Coins
• Databases
• Electronics
• Food
• General
• Networking
• Physics
• Unfiled