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Attached coloured PDFs are displayed and sent as black and white

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Calipso
Calipso
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duplicate of /questions/1544753 thread

Attached coloured PDFs are displayed and sent as black and white, both normal and troubleshooting mode.

JPEGs and DOCXs keep their colour.

MacOS Thunderbird Desktop Version 140.4.0esr | Released October 14, 2025

Thanks in advance, Alan Lumley

[edited email from public]

<i>duplicate of [/questions/1544753] thread</i> Attached coloured PDFs are displayed and sent as black and white, both normal and troubleshooting mode. JPEGs and DOCXs keep their colour. MacOS Thunderbird Desktop Version 140.4.0esr | Released October 14, 2025 Thanks in advance, Alan Lumley [edited email from public]

Modified by James