When you hide your profile, its no longer visible on the site, will no longer appear in search results, and will not be accessible to previous connections on the site. However, if you previously communicated with another member via email, they will be able to reply to you from their external email client.
Why is his profile unavailable on match?
If you click on another members profile and see a message that the profile is unavailable, it is usually because that member has chosen to take a break to pursue a relationship, or for other reasons has chosen to hide their profile.
Can you turn off your online status on Match?
On the Match app Tap on the gear icon at the top of your profile page. Under “Profile Visibility,” select the visibility you would like for your profile: Visible, Hidden, or Private Mode. When you select a new visibility option, the change will go into effect immediately.