.wb3 Quattro Pro spreadsheet
Documents & office
| MIME type | application/x-quattropro |
|---|---|
| Description | Quattro Pro spreadsheet |
| Category | Documents & office |
| Other extensions | .wb1, .wb2 |
Frequently asked questions
What is a .wb3 file?
A .wb3 file is a “Quattro Pro spreadsheet” (MIME type application/x-quattropro).
How do I open a .wb3 file?
With an office suite: LibreOffice (free, Windows/macOS/Linux) opens most document formats, as do Microsoft Office or the vendor’s own app.
How can you tell a genuine .wb3 file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.wb3 shows the guessed type.
Which MIME type belongs to .wb3?
The MIME type is application/x-quattropro. In the Apache web server: AddType application/x-quattropro .wb3; in nginx: types { application/x-quattropro wb3; }.