It can take anywhere from a few
days to 3 weeks to go from acceptance to approval. This timeframe is unrelated to how, where, or
when you filed and it isn't connected to how quickly you got your refund last
year.
For more info about
"Where's My Refund" and other refund-related topics, visit the IRS
webpage Tax Season Refund Frequently Asked Questions.
For additional
information please click this link.
https://ttlc.intuit.com/questions/2724106-my-return-is-accepted-but-still-not-approved-is-there-a-problem-should-i-be-worried