3

This question already has an answer here:

I would like to know how I can change file limits in a document library.

marked as duplicate by Community Jul 6 '17 at 9:32

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

4

The clear cut answer is:

No, You cannot change the limit of Threshold in SharePoint Online.

Already answer this here.

You can handle your large list using Manage large lists and libraries in Office 365.

For your more information you can visit

What you can do is divide your files in folders in document library.

Not the answer you're looking for? Browse other questions tagged or ask your own question.