Outlook 2016 crashes after 30 to 60 minutes in Offline mode

I prefer using Outlook 2016 in offline mode any only sync emails when I need to. However, every 30 or 60 minutes or so Outlook 2016 crashes when in offline mode. How do I fix this? The event log shows the following:

Faulting application name: OUTLOOK.EXE, version: 16.0.8730.2175, time stamp: 0x5a4c57a0
Faulting module name: ntdll.dll, version: 10.0.15063.608, time stamp: 0x8274fd8b
Exception code: 0xc0000005
Fault offset: 0x000000000003bbdf
Faulting process id: 0x472c
Faulting application start time: 0x01d3abb38c99ff3c
Faulting application path: C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: 1ef5eff2-a2f0-43c0-808b-864cc1eca2f3
Faulting package full name: 
Faulting package-relative application ID: