Steps to reproduce: 1. Open Calc 2. Insert an image as linked -> Double check it's listed in Edit - Link to external files 3. save it as XLSX -> The image is saved as embedded. If you unzip the document you will see it there. Same if you open the document and go to Edit - Link to External files. it's greyed out Reproduced in Version: 7.5.0.0.alpha0+ (X86_64) / LibreOffice Community Build ID: cfc8a8f5d841b3f84d207196153be67da7f60652 CPU threads: 8; OS: Linux 5.10; UI render: default; VCL: gtk3 Locale: es-ES (es_ES.UTF-8); UI: en-US Calc: threaded and Version: 6.2.0.0.alpha1+ Build ID: a20a2d7e0d28658f2d9089da076961a599833a28 CPU threads: 8; OS: Linux 5.10; UI render: default; VCL: gtk3; Locale: es-ES (es_ES.UTF-8); UI-Language: en-US Calc: threaded
Reproduced with: Version: 7.5.0.0.alpha0+ (X86_64) / LibreOffice Community Build ID: 6e66b5d75b4cda0314b64f4d12ef9e4350751470 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3 Locale: en-AU (en_AU.UTF-8); UI: en-US Calc: threaded In the XLSX file, xl/drawings/_rels/drawing1.xml.rels refers to the target as an internal "../media/<filename.png>"