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I was looking at some of the pictures taken with my camera (Google Camera) and there are some that have :nopm: in the file name. The format of the file names are the same, just some contain this after the timestamp, before the extension.

enter image description here

When I use MTP on windows to copy them to my PC they copy fine, because it removes the : from the file name.

What is the meaning of the :nopm:?

I have added a more detailed picture that shows :nopm: does not have anything to do with if it was taken in the morning. This wouldn't make sense anyhow, as the timestamp is already in 24 hour format. 231314 = 11:13PM, there is no need for an AM/PM indicator.

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    From what I can tell it is Hangouts that most normally adds the :nopm: to images. Is there a chance you sent/received those ones over Hangouts. To be totally honest it seems like an issue with Google Camera, but I've seen quite a few people point the finger at Hangouts.
    – RossC
    Feb 9, 2015 at 15:19
  • It does look like it originates from Hangouts. From the photos, I remember taking them all while sending them to people over MMS via Hangouts. Feb 9, 2015 at 15:55
  • @RossC, if you put that as an answer, I will accept it. It does seem that Hangouts is the cause. I am still not sure what it means, but at least I know what is doing it. Feb 9, 2015 at 17:33
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    Per a comment left as an answer by another user: It looks like the :nopm: prevents the new Photos app from uploading the image. Perhaps that is its purpose as you mentioned below @Ryan. Jun 3, 2015 at 14:39

1 Answer 1

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This is not related to AM/PM as the screenshot shows. This issue appears to happen due to Google Hangouts. I have heard from a few Moto G owners that this happens a lot on that device, and can cause issues moving to SD card, however, it really seems to be down to Google Hangouts. Here is a mention on Reddit, and on an unrelated thread the same issue crops up.

Upon reading this issue on Github:

google hangouts produce [sic]images of this form image_timestamp.:nopm:.png

There is no easy fix at present, but I will investigate.

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  • Doesn't really tell us why it does this in the first place.
    – Ken Sharp
    Mar 9, 2015 at 15:34
  • @KenSharp I haven't forgotten this answer, I just can't get an answer from anyone at the moment. There is nothing in the code I've looked at to explain it, and no answer from Google.
    – RossC
    Mar 9, 2015 at 15:58
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    After thinking about this for some time, I actually think that :nopm: means NO Photo Manager. As it appears that the Google+ Photos app will not backup the photos that contain :nopm:. This is just a theory. Apr 7, 2015 at 14:33
  • @RyanConrad it's actually a good one. It makes sense! Then again, some of these things don't seem to make sense at the best of times! :)
    – RossC
    Apr 8, 2015 at 14:53

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