
Except for office web viewer, everything else works
video,audio,picture,txt and PDF are work properly。only Office web viewer was not work properly. what should I do ?
Office web viewer
Answer

Office Web Viewer is an online service provided by Microsoft. There can be many causes for the problem, such as: the Microsoft server cannot access yours to fetch the document data, or the service fails to process the data. It is unlikely to be caused by a FileRun bug.
For private troubleshooting you can contact us via e-mail (https://www.filerun.com/contact).

Just Saw a solution to this
in free version, thie office web viewer doesn't work at all
You can access a free-for life API key from zoho.com and use Zoho editor
Not only we can view files but we can also edit the files using zoho editor
Customer support service by UserEcho
Office Web Viewer is an online service provided by Microsoft. There can be many causes for the problem, such as: the Microsoft server cannot access yours to fetch the document data, or the service fails to process the data. It is unlikely to be caused by a FileRun bug.
For private troubleshooting you can contact us via e-mail (https://www.filerun.com/contact).