It would really depend on what rules you're placing on your magic system. Magic of the hand waving "I can do whatever I want" variety can be used pretty much anywhere for anything, though that's basically a giant Deus Ex Machina machine anyways.
In my fantasy world, the "magic" is an additional set of physical laws placed on the universe that are logically consistent, satisfy the laws of thermodynamics, etc. The only reason that it's "magic" instead of "made up science" is that 1) anyone can do it instinctively to varying degrees and 2) nobody knows exactly how it works (anymore). Because it's ubiquitous and isn't powerful enough to solve most problems on its own, it finds itself used in reasonably mundane situations by the average person. Speeding healing on wounds, boosting immune systems, keeping crops free of disease and speeding up growth, allowing for purer and stronger metals to be forged, and creating light and sound on demand.
Under such a system, uses by a society with better understanding of the principles would be a great big booster for technology. Material and information science, engineering, agriculture, and media would all see extensive usage of it to do things beyond what the technology would be able to handle on its own. A society with WWI era technology compared to today's science (as my precursor civilisation has) would nevertheless have an effective technology level of the modern day, complete with their own version of the internet, highly potent fuels, and rapidly approaching the capacity to put stuff in orbit.
On the flip side, there are pretty strict limits on what my magic system allows people to do. From a storytelling perspective that has it's ups and downs. On the upside, even though I'm stretching believability I'm still forced to take the hard route around problems since magic can't be used as a crutch. On the downside, even though I'm stretching believability I'm still forced to take the hard route around problems since magic can't be used as a crutch.