Powerpoint will not scale properly on second monitor

As stated above this is not a solution but at best a temporary workaround with the following major drawbacks:

1. Office Updates will overwrite your changes all the time. Since Office Updates happen silently (in Office 365) you will never know when Powerpoint switches back to its unfortunate erroneous behavior
2. Pen based input does not work with this work-around: Pen input appears at wrong positions on the screen if the DPI-Aware setting is changed
3. Some image types disappear when the DPI-Aware settings are tampered with. I haven't found out exactly which image types are affected, but it has to do with combinations of groups of vector graphics and pixel graphics and transparency.

I still cannot see why MS does not manage to fix this bug. To anybody using Powerpoint on a Surface or Surface Book it only shows how MS is not capable of making one of their flagship software work with all its new flagship features (like pen support) on their latest flagship hardware products.

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I couldn't agree more! Not to mention that this is completely unfeasible as an enterprise solution.

As stated above this is not a solution but at best a temporary workaround with the following major drawbacks:

1. Office Updates will overwrite your changes all the time. Since Office Updates happen silently (in Office 365) you will never know when Powerpoint switches back to its unfortunate erroneous behavior
2. Pen based input does not work with this work-around: Pen input appears at wrong positions on the screen if the DPI-Aware setting is changed
3. Some image types disappear when the DPI-Aware settings are tampered with. I haven't found out exactly which image types are affected, but it has to do with combinations of groups of vector graphics and pixel graphics and transparency.

I still cannot see why MS does not manage to fix this bug. To anybody using Powerpoint on a Surface or Surface Book it only shows how MS is not capable of making one of their flagship software work with all its new flagship features (like pen support) on their latest flagship hardware products.

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Damn,

thanks for pointing out this.

Fully agree with your comment, even if it is not really helpful though.

This is NOT helpful for three reasons:

1. Office Updates will overwrite your changes all the time. Since Office Updates happen silently (in Office 365) you will never know when Powerpoint switches back to its unfortunate erroneous behavior
2. Pen based input does not work with this work-around: Pen input appears at wrong positions on the screen if the DPI-Aware setting is changed
3. Some image types disappear when the DPI-Aware settings are tampered with. I haven't found out exactly which image types are affected, but it has to do with combinations of groups of vector graphics and pixel graphics and transparency.

The ONLY solution to this problem would be: Powerpoint Developers: Read about what your Windows Developer colleages at Microsoft intended with enabling Windows 8.1 to have different High-DPI settings on different monitors and JUST FIX YOUR BUGS! You may want to ask your Word and Excel Developer colleages how hey were able to just make their programs work. AND You may also ask your Surface Product Manager colleagues what they think about shipping a software which shows its bugs best if run on one of the high-end high-dpi and high-priced flagship Surface devices.

open the file

C:\Program Files\Microsoft Office 15\root\office15\powerpnt.exe.manifest

Using a text editor. Then, look for word True/PM in the following block:

And change it to:

Now save and open PowerPoint. PowerPoint should not auto-scale properly.

Credit to

http://crsouza.com/2015/08/powerpoint-is-huge-on-a-second-monitor/#comment-65822

with a slight modification