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The asset information that is shown in previews (see 2.2.2 Quick asset information) can be configured by editing the Digizuite_System_Framework_AssetInfo search.
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The OC might have some issues on Mac. Specifically, this relates to being able to open existing documents from Digizuite™ Media Manager 5 or the OC. The issues are caused by some issues with Microsoft's Office URI Scheme on Mac, which will hopefully be fixed in the future. Until then, full functionality of the OC on Mac cannot be guaranteed.
SSO
Logging in with SSO with the OC is only possible, if the OC is installed and used as a https site.
Debugging
The following command is very useful for debugging the OC on Windows with developer tools: "C:\Windows\SysWOW64\F12\IEChooser.exe"
To check if you have an issue with your manifest file, please try validating it with the following tool: https://github.com/OfficeDev/office-addin-validator.
If you have issues loading the Office Connector when using localhost, please try following the documentation at: https://docs.microsoft.com/en-us/office/troubleshoot/error-messages/cannot-open-add-in-from-localhost