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This is a question about an old question which can be found here. I also found an answer to that question by Cegaton, though the instruction in the answer didn't help me, and I suspect that it might have only worked for the older version. So I'm using Blender version 2.78, I enabled the "use alpha" and it still doesn't work in any view, I used Gimp2 for the alpha channel and exported it into png, and imported as a plane using the addon, the plane is still a picture with black opaque background.

Screenshots:

Picture in GIMP2 The picture in GIMP2

Exporting the picture as Png Exporting the picture as Png

Importing the picture as a plane Importing the picture as a plane

Choosing the picture Choosing the picture

The plane in object-solid view The plane in object-solid view

The plane in object-texture view The plane in object-texture view

An Image for you to test on: yo Please note I am not sure if the alpha channel will stay there if you download it please let me know down in the comments.

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technikfe
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  • It works perfectly fine for me on Blender 2.78, I'm not aware of any critical changes in that plugin for the last versions. Please indicate what exactly doesn't work for you as expected, preferably with screenshots. Show which interaction mode you use to preview alpha channel, import settings, node setup etc. – Mr Zak Mar 08 '17 at 17:19
  • @MrZak Thank you for telling me how to improve my question, I will edit it shortly – technikfe Mar 08 '17 at 17:32
  • @MrZak screenshots have been added – technikfe Mar 08 '17 at 17:47
  • Can you please include a sample image that we can download to test. –  Mar 08 '17 at 17:59
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    When importing the image check the box that reads "Use Alpha" –  Mar 08 '17 at 18:06
  • As an alternative to checking the Use Alpha checkbox add Transparent shader and mix it with Diffuse shader using image alpha as factor (basically doing the same but manually). This is shown in the answer already linked in your question. – Mr Zak Mar 08 '17 at 18:08
  • @cegaton the test image has been added – technikfe Mar 08 '17 at 18:34
  • @cegaton wow you resolved my issue! you can post that as an answer! – technikfe Mar 08 '17 at 18:35
  • @technikfe It was already noted on the original answer! https://i.stack.imgur.com/dP0Uc.png –  Mar 08 '17 at 18:40

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In your particular case you did not enable

Use alpha:

enter image description here

In newer versions of blender that box might not be there but you can still select to have transparency as you import the image:

enter image description here

The trasnsparency will only show on Material or Render view, it will not be displayed in texture view.

enter image description here

For more details read the previous answer: Image Alpha Background Renders Black when using "Import Images as Planes"

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