Office Online preview error when opening a 25MB document

FAQer_0248 1 Reputation point
2022-03-10T08:34:52.627+00:00

When I preview a document whose size larger than 25MB at first time, oos will show an error.And then I click restart button or refresh the page, the document will open at soon. And there are not errors when oos sending request to wopi host. Please help me. Thanks a lot!
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Version: 16.0.10383.20001

Microsoft Office Online Server
Microsoft Office Online Server
Microsoft on-premises server product that runs Office Online. Previously known as Office Web Apps Server.
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  1. Emily Hua-MSFT 27,546 Reputation points
    2022-03-11T03:09:22.833+00:00

    Hi @FAQer_0248

    If there are no errors when WOPI client sending request to WOPI host, I would suggest you check the browser.

    Please search CMD to open Command Prompt, enter "C:\Program Files\Internet Explorer\iexplore.exe" -extoff, press Enter key to open IE without running add-ons.
    Once done, navigate to the website where you're accessing the Microsoft Word documents and see if the issue persists.

    Besides, you can also try to reset IE browser or change the browser to have a check.


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