Hello everybody,
my online outlook calendar does not sync with my Windows Calendar app. I am talking about the online calendar which can be accessed after sign-in here: Prihláste sa do svojho konta Microsoft which for me used to always take all the information from my desktop calendar app, and vice-versa, when I entered an event online, it also appeared in my desktop app. This was useful for syncing with my phone and generally accessing my calendar when not having my laptop on me. This is now impossible for me to do.

Now they don't sync and it's quite annoying, I am getting desperate and thinking of using some other app (if you have tips, tell me. I went through this: Resolve sync issues in Mail and Calendar apps in Windows 10 - Office Support it did not solve the problem. I have updates on (I apply them manually). I have Windows 10 all up to date. and all settings allow calendar to be synced. I checked if I am signed in to the same account, I only have one account in the app and the same one online.

Thank you in advance for any help.

Also, I am adding a picture if it helps, on the left is my calendar, when I access it online, on the right is my Windows App. You can clearly see that there is a lot more on the right. I just want the events to appear in the online calendar as well, as they did before...
Click image for larger version. 

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