AccuWage W-2 form
File type: Accounting, financial and tax file
An .efw2 file is an AccuWage W-2 form file.
It stores a W-2 form created for use with the AccuWage service.
File type category:
Accounting, financial and tax file
Date updated: October 16, 2026
The efw2 file extension is associated with AccuWage, software written for the Java run-time environment and used to view W-2 forms through its online services.
The efw2 file stores W-2 form data created for AccuWage.
The EFW2 format is associated with W-2 forms rather than with a general-purpose document editor.
Use AccuWage to open *.efw2 files and view the W-2 form.
AccuWage may be able to export *.efw2 files to other formats.
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