You would find the creation date in the properties of the world folder itself (and you can enable this as a column view in File Explorer). If you are experiencing technical issues with these steps, we recommend contacting Microsoft Support for guidance. -AG
We'll need to have you submit a ticket at msft.it/601995Yhd so that one of our Technical experts can assist you with troubleshooting this error. Be sure to include any troubleshooting steps you've already done and any relevant screenshots/photos! ^FF
Minecraft Version 1.16.20 released August 11, 2020 and the next update for Bedrock came out on September 3, 2020, so your world likely was created between those dates! You can check out past releases and their dates at msft.it/601295cTI ^FF
We'll need to have you submit a ticket through msft.it/6014955Ao so that one of our Account experts will be able to take a closer look at your account! ^FF
You'll find this info in "C:\Users\(your pc username)\AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalState\games\com.mojang\minecraftWorlds". Your world folders can be viewed here. You may need to enable the "date created" column in File Explorer. -AG
We hear your concerns about your unsatisfactory experience with email support and appreciate you reaching out. We'll use this feedback to continue to improve our services. If you require assistance with Minecraft Support again, please do not hesitate to reach out. -AG
What you'll need to do is create a new free Microsoft account. Once you have done so, please follow the migration steps here: msft.it/601995jkc. If you need help recovering a Mojang account, please create a ticket: msft.it/601195jkl -AG
Hmm. Can you try clearing your cache? If that doesn't work, we recommend trying again but with another web browser (Firefox, Chrome, or Edge, as examples). -AG
The problems that you have been experiencing should be resolved now. Please give it some time before trying again. If you're still facing difficulties, please create a new ticket msft.it/601395bhT or continue with the agent in your existing ticket. -AG
Hey, no worries! Since your issue involves your installation files, the technical support we can offer may be more involved than we can fit into a tweet, hence the redirection to technical support. We hope to hear from you soon! -AG
Hey there, our team was able to look into this and get the issue fixed. Please try launching the game again and see if it remains stable after it updates, and let us know if you run into any other issues. ^FF
We're unable to assist with account recovery here, but if you reach out through msft.it/601995EiL, one of our Account specialists with be able to assist you further. ^FF
Only one Minecraft account can be tied to a single Microsoft account, so you'll need to migrate your Mojang account to a different Microsoft account in this case. ^FF
We cannot assist players with account recoveries on Twitter. Please continue to correspond with the support agent in your reply. If you have yet to receive a reply, please send us a ticket number, and we can take a look. -AG