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Windows 7: How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)

16 Feb 2015   #1

Windows 7 x64 Professional (SP1)
How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)


How do I stop Outlook 2003 from re-sizing my images when I insert them into an HTML email if I have changed the Window Text DPI size?

Attached images are fine. And of my Window text DPI is "100%" (96dpi) then no problem. BUT, I have a high resolution screen 1920x1200 and so I *must* resize the text (to at least 120% - I am currently using 125% DPI in fact). And when I change the Windows DPI size, then as soon as Outlook sends the email it re-sizes the image. In fact in the email in the Sent folder the images is already (25%) too large. And if I forward it, then it gets larger by a further 25%. Nightmare!

Mostly I am using JPG files (or PNG) and Photoshop or FSCapture or Xara to create my graphic images. I have tried changing the file's DPI setting by using IrfanView up to 120x120 DPI, but this failed to help.
I also tried using GIF images - which do not appear to even have any internal DPI setting but they get made larger in exactly the same way.

This has been problem for me for many years and I have tried various things over the years but so far NOTHING WORKS.

Any suggestions?


P.S. If not please supply the name of the person I need to shoot at Micro$oft.

My System SpecsSystem Spec
16 Feb 2015   #2

Windows 7 Home Premium 64 bit sp1

Have a look at this website. It does seem that this is a problem in Outlook 2003, but there is a work around described there.

Images resize and become unsharp upon sending - HowTo-Outlook
My System SpecsSystem Spec
18 Feb 2015   #3

Windows 7 x64 Professional (SP1)

I have now upgraded to Outlook2010 through work. Can you believe it - it's STILL exactly the same problem.
And no, nothing on that pages works.

On that page it suggested that I use IrfanView to change the DPI of the file itself. I tried this but it didnt help. In fact I tried JPG files with both 96DPI and 120DPI. But both time my images got make larger by Outlook(2010).

What very NEARLY works is to make the image SMALLER before sending it, which very nearly cancels out the fact that Outlook make my image 125% large at the time of sending IRRESPECTIVE of their DPI setting. However the correct multiple of pixels simply isn't available. So all JPG images that are sent embedded in an email arrive either slightly too small or slightly too large.

And yes, I can sent my emails from say Gmail, and yes the embedded images that they contain arrive perfectly sized. However I don't want my clients replying to my personal email address (!) but when I *forward* the html that contains the image... guess what - ALL the images - including the GIF images are now 25% larger than they should be.

Total nightmare - in both Outlook2003 AND Outlook2010.
My System SpecsSystem Spec

18 Feb 2015   #4

Windows 7 x64 Professional (SP1)

To recap, here's the current situation.

1. I have now (through work) upgraded from Outlook2003 to Outlook2010. But the exact same problem remains. [NIGHTMARE.]

2. my Windows text size DPI is set to "125%"
which it calls "Medium" and
which is "9 point Segoe UI at 120 Pixels per inch"
This allows me to:
a) Use readily view Xara at "1 pixel per pixel" by setting using the scroll wheel to zoom to 80%
b) Have text in my Window application at a half-comfortable viewing size

I have now re-run various experiments.
I have created a GIF of 351 x 80 pixels in size, with a series of vertical stripes which are exactly 1 pixel wide.
And I have created a JPG of exactly the same thing (at 100% quality).

I want the email that results contain embedded images that are 351 x 80 pixels, and have un-blurred vertical lines.

[ Btw, as you see I have set "Wrap text" in Outlook to "Top and bottom" in almost all instances. The only visible effect of this seems to be to cause the images to become indented by exactly 2 pixels. ]

Here is a shot of the email that is received in Gmail, with Chrome at a 100% zoom (and MSIE at 100% zoom renders in exactly the same way).

What happens is:

See "1." and "2."
The GIFs arrive at 100% of the correct image size: i.e. 351 x 80 pixels.
(And so have nice clean vertical lines on the images).

However, all the JPGs are a nightmare.

If I do nothing to the JPG it arrives at 439 x 101 pixels

Wrap text setting has not effect

80% size before being sent, creates an image 1 pixel too wide 352 instead of 351 pixels in Chrome and almost every pixel of the image is blurred as a result.

79% size before being sent creates an image of 346 pixels wide instead of 351, i.e. it is a full 5 pixels too small.


Attached Thumbnails
How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)-result_email_viewed_in_gmail_n_chrome.gif  
Attached Images
How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)-blurtest-jpg-resaved.jpg How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)-blurtest-gif.gif 
My System SpecsSystem Spec
19 Feb 2015   #5

Windows 7 x64 Professional (SP1)

I've been irritated by this problem and compromising for over 15 years.

For now, the best I can do is seems to be to use GIFs not JPEGs in my emails - at least they arrive at the correct size (even though they get horribly enlarged when forwarded). GIFs work well for things like annotated screenshots.

For artwork transfer once can of course use attachments (or something completely different like FTP or DropBox) but for *visual* communication inside an email, using GIFs is the best I have found so far.

This works well for annotated screenshots and the like, but is horrible for photos. :^[


P.S. Is there nothing one can do to the Win 7 registry to stop Outlook2010 from misbehaving like this?
My System SpecsSystem Spec
19 Feb 2015   #6

Windows 7 x64 Professional (SP1)

And btw, PNG images seem to be treated in exactly the same way by Outlook as JPGs. :^[

Attached Images
How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)-delme105.gif 
My System SpecsSystem Spec
21 Feb 2015   #7

Windows 7 x64 Professional (SP1)

PS. I have done further tests with my Windows 7 text DPI size set to "125%" and setting the file's internal DPI setting for JPG files at different settings.

It turns out that contrary to various blogs & forums that Outlook2010 seems to be completely ignoring the file's DPI!

If you look closely at the attached screenshot (that was taking from Gmail, reading an email, with the browser set at 100% zoom, you will see that all the JPG images that have not been resized arrive at 1250pixels and that those image that I manually set to 80% zoom in Outlook are blurred because they arrive at 1001 pixels (instead of 1000 pixels).


Any suggestions?

Attached Thumbnails
How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)-delme_test02.gif  
My System SpecsSystem Spec

 How to stop Outlook2003 re-sizing inserted images (if changed Win DPI)

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