Sometimes Microsoft Access may report that your database is in an 'inconsistent state', causing Error 3343 "unrecognized database format" on Windows 10 computers.
This has been an open issue for Microsoft for some time. We do not have a clear answer for why this happens, or how to solve it. Our investigation has lead us to these two links, which we hope are helpful.
Microsoft discusses this problem here:
Access reports that databases are in an 'inconsistent state'
A potential workaround suggests to ensure that SMBv2 or SMBv3 is enabled on both client and server, as described in this Knowledge Base article::
How to detect, enable and disable SMBv1, SMBv2, and SMBv3 in Windows and Windows Server