Continue the upload process as usual then install your email signature.Once uploaded you will see two check boxes at the bottom of the modal, check the Scale for Retina and HiDPI devices box. Edit the image you wish to replace, then select the file that you've just saved.Switch to your Email Signature Rescue account and edit your signature or go to your Default Images tab.Once resized, save your image as either a.For example, if you want the image to be 100 x 80 pixels then you will need to resize the hi-res version to 200 x 160 pixels. Open your hi-resolution image in your photo editing software and resize it so that it is double the size of what you want it to be within your email signature.Firstly you will need to have a hi-resolution version of your image and also photo editing software.If you've discovered that your device is higher resolution and running at 200% display then you can fix the issue with the following:
If it is set to 200% or higher it is likely that you're using an Ultra HD device. To ensure that your images display correct within your signature, this should be set at 100%, anything higher will cause issues.
You will see a slider that says "Change the size of text, apps and other items".
If you are using a device with an Ultra HD or retina display such as a Surface Pro, then this is the cause, however don't worry as we have a solution for you. Have you installed your email signature and sent a test email only to see that your image is double the size and looks blurry? Or perhaps a friend or colleague has told you about the issue?