Can I have a customised message when survey expires?

[MAQ-Ahmad]

Can I have a customised message when survey expires instead of this Forms - is currently not accepting response.

[#2]

No, this message is not customizable.

[#3]

@MAQ-Ahmad you could submit a feature request for this on the official Microsoft Feedback Portal. 
https://feedbackportal.microsoft.com/feedback/forum/0ab9de26-ff1b-ec11-b6e7-0022481f8472

Rob
Los Gallardos
Microsoft Power Automate Community Super User.
Principal Consultant, SharePoint and Power Platform WSP Global (and classic 1967 Morris Traveller driver)