How to reveal links to external data?

Version: 7.5.9.2 (X86_64) / LibreOffice Community
Build ID: cdeefe45c17511d326101eed8008ac4092f278a9
CPU threads: 4; OS: Windows 10.0 Build 22631; UI render: Skia/Raster; VCL: win
Locale: en-CA (en_CA); UI: en-US
Calc: CL threaded

I have an ODT file that when opened displays the message that the file has one or more links to external data and asks if I want to update the document. How do I reveal what the links are?

Go >Edit>External links....
You also can break links there.

Thanks Wolfgang!