Only some troubles I've seen with MS Office on iPhone 7, but today I haven't been able to find my important messages, which sent me one of my colleagues. We are creating important project and chit-chatting almost every day. I have to get it back,
As I understood, you can't get back or repair outlook.pst file. You
may refer to Google search, there many variants for solving. But first, just
try outlook online service, it was found from old Google, this thing supports
uploading crashed or other files from any gadget.