How to convert your EFA file
- Click the "Select File" button above, and choose your EFA file.
- You'll see a preview.
- Click the "Convert file to..." button to save your file in the format you want.
Convert EFA to another file type
The converter easily converts your EFA file to various formats - free and online. No Illustrator or extra software needed.
- EFA to SVG
- EFA to AI
- EFA to EPS
- EFA to PDF
- EFA to JPG
- EFA to CDR
- EFA to WMF
- EFA to EMF
- EFA to SWF
- EFA to FLA
- EFA to XFL
- EFA to SKETCH
Convert a file to EFA
The converter also works in reverse, so you can convert other Encoded formats to EFA with high quality output.
- AFPUB to EFA
- EPS to EFA
- FIG to EFA
- VSD to EFA
- SKETCH to EFA
- VDX to EFA
- AFPHOTO to EFA
- PDF to EFA
- AFDESIGN to EFA
- SVG to EFA
- VSDX to EFA
- AI to EFA
About EFA files
The .EFA file extension is a source of confusion because it serves three distinct, incompatible purposes: a security container, a legacy audio archive, and an electronic bill.
- McAfee Endpoint Encryption (Trellix): The most common variation is an encrypted file attribute or container used by corporate security software. These files are strictly locked. The main disadvantage here is that you cannot open or convert them without the specific encryption key and the authorized Trellix (formerly McAfee) software environment. They are designed specifically not to be accessible by third-party converters.
- Ensoniq Audio Archive: Musicians and producers encounter .EFA files as legacy data from Ensoniq ASR-10 or EPS samplers. These files contain instrument samples and sequence data. The issue is that modern DAWs (like Ableton or Logic) cannot read this raw binary format directly. You need specialized translation tools to salvage this audio.
- Vodacom e-Bill: A specific regional usage for interactive electronic bills, which often requires a proprietary viewer to render.
Conversion Recommendations:
- For Audio (Ensoniq): To use these samples in modern music production, convert the .EFA file to WAV, SF2 (SoundFont), or .KONTAKT format using Chicken Systems Translator or Awave Studio.
- For Bills (Vodacom): If possible, open in the original viewer and print to PDF for long-term archiving.
- For Encryption (McAfee): There is no valid target format. These must be decrypted in their native environment to recover the original file (e.g., DOCX, XLSX).
Use Convert.Guru to open and convert your EFA file.
Users also converted PDF, AKP, GIG and EXS files.
The EFA Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our EFA converter.