My windows 8 mail account has 3 hotmail accounts, 3 gmail accounts and 6 exchange accounts from my local ISP.
When I first set everything up, all the exchange accounts were syncing, however one day they just stopped.
I've followed the standard debugging procedures of readding the account, and reinstalling the mail app but nothing seems to work.
Any advice or tips?
According to your description, I suggest to temporary disable firewall and antivirus program for test.
And does this issue occur with other account? Try to add exchange account only to check if the same issue occurs.
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