Hi @Lamiyə Rzayeva ,
Our forum more focuses on specific issues, rather than solution delivery. It's more suggest to contact a solution provider.
Here are some helpful materials about how to integrate with Office online server, you may take a reference:
- Using the WOPI protocol to integrate with Office for the web
- PnP-WOPI sample
- https://learn.microsoft.com/zh-cn/archive/blogs/officedevdocs/introducing-wopi
Best Regards,
Baker Kong
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