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MICHAELFRIMPON-3159 asked VikiJi-MSFT commented

EXCEL APP ONLINE

I have created an APP in excel that I want to run online.

The problem is that encryption doesn’t work well, and users can see the functions and even download the file.
I have tried PROTECTION AND ENCRYPTION, but they don’t work.
Is it at all possible to run an excel app online with full encryption and protection so that users can not see beyond what they are permitted to see?

office-online-server-general
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VikiJi-MSFT answered VikiJi-MSFT commented

Hi @MICHAELFRIMPON-3159,
Welcome to Q&A forum!

According to your description, youe issue seems to be more related to Excel Online, and related issues are not supported in Q&A forum currently. It is recommended that you post a new question in the following forum for more professional support and help.
Microsoft Answers Community
Thanks for your understanding!

users can not see beyond what they are permitted to see

< Personally, it may not be able to achieve currently.

The official stated that "Excel for the web can open workbooks protected by a password but these files cannot be edited in web. Passwords can’t be added, changed, removed, or recovered from Excel for the web".
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For more information, please refer to: Protect a workbook

Hope the information could help you.

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Hi @MICHAELFRIMPON-3159,
If you have a chance to review this thread, please check if my reply is helpful.
Thanks~

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