At a glance
| Provider | Microsoft |
|---|---|
| Category | Marketing |
| Consent required? | Yes |
| Typical domain | .bing.com |
Do you need consent for MUID?
Yes. MUID is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.
This is general guidance, not legal advice — always verify with a lawyer.
How FewCookies handles this cookie
FewCookies recognises MUID from our database of 1,300+ known cookies and classifies it automatically as "Marketing". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.
Frequently asked questions
Do you need consent for the MUID cookie?
Yes. MUID is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.
What does the MUID cookie do?
Microsoft cookie for uniquely identifying users across Microsoft services.
Who sets the MUID cookie?
The MUID cookie is associated with Microsoft and is classified as marketing.