winbidi.exe stands for Windows Bidirectional Communication Service. In the ecosystem of Microsoft Windows, it is a legitimate system process associated with printer and fax functionality.
More specifically, winbidi.exe is part of the Bidi (Bidirectional) Communication Infrastructure. "Bidi" refers to the ability of a printer or multi-function device to send information back to the computer—not just receive print jobs. This two-way communication allows Windows to query a printer for: winbidi.exe
Without winbidi.exe, your computer could still print, but it would lose the ability to receive real-time status updates from the printer. winbidi
No. Despite the name similarity, winbidi.exe has nothing to do with online bidding, auctions, or financial software. Any such association would be a pure coincidence or a malware tactic. Without winbidi
In some specific builds of Windows 10 and Windows 11, users have reported winbidi.exe causing high CPU or Disk usage.
Why? This usually happens when:
How to fix High CPU usage: