We use necessary cookies to make our website work. We'd also like to use optional cookies to understand how you use it, and to help us improve it.

For more information, please read our cookie policy.



Cookies are small pieces of data that are stored in your browser when you access our website.

Necessary cookies

These necessary cookies protect our site from misuse, and let us know whether you'll accept optional cookies from us.
Name Purpose Expires
_GRECAPTCHA Used to distinguish between users and bots 180 days
cookies_allow Used to register your acceptance or rejection of optional cookies 90 days
__RequestVerificationToken Used to stop unauthorised posting of content to our website On browser close

Optional cookies

These optional cookies collect information about how people use our site, and let us know whether they've chosen to close our website feedback request. Information is collected in a way that doesn't directly identify anyone.
Name Purpose Expires
_ga Used to distinguish users 2 years
_ga_* Used to persist session state 1 year
_gid Used to distinguish users 1 day
_gat Used to throttle request rate 1 minute
hide_*_banner Used to register your closure of our website feedback request 90 days
_clck Used by Microsoft Clarity to distinguish users. 1 year
_clsk Connects multiple page views by a user into a single Microsoft Clarity session. 24 hours
CLID Identifies the first-time Microsoft Clarity saw this user on any site using Clarity. 1 year
ANONCHK Indicates whether MUID is transferred to ANID, a cookie used for advertising. Clarity doesn't use ANID and so this is always set to 0. 1 year
MR Indicates whether to refresh MUID. 1 year
MUID Identifies unique web browsers visiting Microsoft sites. These cookies are used for advertising, site analytics, and other operational purposes. 1 year
SM Used in synchronizing the MUID across Microsoft domains. 1 year
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