QB Issue Resolution:

It’s an EFW2 file (which is a text file.)

For most states, you can change the file name.  Some require a specific file name and if so the feature defaults to that name.

Resolution for Issue 'What is the format that QB creates the Pennsylvania W2 file in, .csv or EFW2?' available: Yes (Solved).
Source: Intuit Community forum.

What is the format that QB creates the Pennsylvania W2 file in, .csv or EFW2?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for QB creates
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for QB creates [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: