Dear @LRBT Comms,
Thank you for posting your question in the Microsoft Q&A forum.
We apologize for any inconvenience you may encounter when using our services/ products. Based on your description:
Picture Manager is not included with Office 2013 and later versions, but you can install it as a standalone app.
Kindly try these following steps:
Install Picture Manager
Download SharePoint Designer 2010.
- In the ensuing message (at the bottom of your screen) that asks if you want to Run or Save the .exe file, click Run.
- Accept the license terms and click Continue.
- On the Choose the installation you want page, click Customize.
- Expand Office Tools and select Microsoft Office Picture Manager.
- Click the drop-down arrow next to Microsoft Office Picture Manager and click Run from my computer.
- Click Install Now.
Here is a reference: Where is Picture Manager? - Microsoft Support
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