Mweb System Migration Issues and Terrible support!!!

I'm having problems with my Outlook (keeps saying password is incorrect) and some emails are missing on the online platform after the Mweb system migration. I sent an email to their support address but didn't get a response. I had to hold for 3 hours on the support line and when I finally spoke to someone, they couldn't explain why the emails were missing or fix the Outlook problem. I asked that he change my password, which he did but now I'm having trouble getting back onto the online platform. I'm struggling to get back in touch with support to sort this out. This is so frustrating and Mweb should do better on their support options.