The lifespan of a Microsoft Surface device can vary depending on several factors such as usage, maintenance, and model. However, Microsoft generally designs its Surface products to last for several years with regular use.

With proper care and maintenance, a Microsoft Surface device can typically last for at least 3 to 5 years or even longer. This includes keeping the device clean, avoiding physical damage, installing software updates, and using it within its recommended operating conditions.

It's worth noting that technological advancements and changes in user needs may also influence how long users keep their devices before upgrading to newer models. Additionally, warranty coverage and available support services can impact the overall lifespan and usability of a Surface device.

Ultimately, while there's no definitive answer to how long a Microsoft Surface will last, taking good care of the device and staying informed about its lifecycle can help maximize its longevity.