The meaning of the Acronym EFF is...

EFF is

• Extended Format File
• Extended Font Format

More Meanings For EFF:

• Equalized Frequency Flow
• Experimental Forecast Facility
• Electronic Font Foundry
• Electronic Font Foundry (Company)
• Equipped For the Future
• Education Freedom Fighter
• Electronic Frontier Foundation
• Efficiency
• Electronic Frontier Foundation
• Electronic Frontier Foundation
• Extended Format File
• Extended Font Format
• Electronic Frontier Foundation
• Electronic Frontier Foundation
• Efficiency

EFF is also in:

• Educational
• Electronics
• Firms
• General
• Housing
• Law
• NASA
• Non-Profit Organizations
• Ocean Science
• Security
• Telecom