AccuWage W-2C form
File type: Accounting, financial and tax file
An .efw2c file contains an AccuWage W-2C form.
It belongs to AccuWage, the online service used to work with electronic W-2 and corrected W-2C forms.
File type category:
Accounting, financial and tax file
Date updated: October 16, 2026
AccuWage is a service for working with electronic wage and tax forms. The W-2C form is used to report corrected information from a previously submitted W-2 form.
An .efw2c file stores a W-2C form created for use with AccuWage.
AccuWage is also associated with software written for the Java runtime environment and used to view W-2 forms.
Use AccuWage to work with *.efw2c files. Because AccuWage is an online service, upload or import the file through the service when that option is available.
AccuWage may be able to export *.efw2c files to other formats.