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This question already has an answer here:

I have these automatically changing wallpapers active on my work laptop (not activated by me) and I think the vast majority is at least high quality, some are brilliant and a few I just adore.

What is the source of these images?

I'd definitely like to download or even buy some of them.

marked as duplicate by phuclv, Ramhound, Run5k, fixer1234, user477799 May 12 '17 at 2:40

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    Are you referring to the pics in this folder: C:\Users\YourUsername\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assets ? (they don't look like picture files but right-click any of the bigger files in that folder and choose "Open with" Windows Photo Viewer. – n8te May 11 '17 at 7:02
  • That's a lot of files ... I'll go through them during my lunchbreak. Could you formulate your response as an answer, in the meantime? Then I can accept it as a solution if it's what I need. – Spikee May 11 '17 at 7:23
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    Are you referring to desktop wallpapers or lock screen backgrounds? – Salman A May 11 '17 at 9:05
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    @SalmanA: The latter. They get automatically updated. – Spikee May 11 '17 at 9:07
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The lock screen wallpapers can be found in the following directory:

C:\Users\YourUsername\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assets

When you navigate to that directory you will see a lot of files that don't look like picture files, as seen in the following screenshot:

folder containing lock screen pics

Right-click on any of the bigger files in that folder and select Open with and then select Windows Photo Viewer and you'll see that it is one of the Windows lock screen wallpapers.

enter image description here

  • Apparently it's only a subset, not the entire history, but that works! – Spikee May 11 '17 at 10:57
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    Why do MS programmers not understand that such 'encrypted' files will be found inside file system in this very popular OS... That's just a comment. – Vyacheslav May 11 '17 at 17:32
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    @Vyacheslav because they're not "encrypted", it was just convenient for MS developers to name cached images this way. I don't think they were trying to hide them. – Vasily Alexeev May 11 '17 at 17:45
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    This way they also won't show up in any searches you do as the indexer won't recognize them as images, thus not polluting your search results. – R-D May 11 '17 at 22:08
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Alternatively you can use SpotBright to download the images used for the lockscreen to a custom location. This has the added advantage that they are downloaded as image files with an extension.

You can also specify if you only want the landscape or also the portrait versions. This will allow you to also use them as a desktop background. Spotbright is a free Windows Store app.

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Source of the images depends on your choice in settings.

Lock Screen Setting:

enter image description here

  • When you select "Windows Spotlight" in Settings > Personalization > Lock Screen, the images will be downloaded from Microsoft Server by backgroundTaskHost.exe and saved in "C:\Users\username\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assets". You can view those images with changing extensions. Command:: ren *.* *.jpg
  • When you select "Picture", the images will be choose from "C:\Windows\Web\Wallpaper\Theme1" folder which are preinstalled.
  • Also lock screen images are saved temporarily in "C:\ProgramData\Microsoft\Windows\SystemData"

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