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Yahoo Mail cuts off my text (only on Firefox)

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Only happens viewing Yahoo! Mail with Firefox

This is what happens:

Using Firefox, I write an email and then send it out. Then I went to my "Sent" box and then view the email I have written. It shows missing (cut off) text from my original mail, leaving about 50% of my original text left. I try to confirm this by forwarding that sent mail to myself and then it shows a half cut-off message same as I saw in the "sent" box.

However, when I log into my Yahoo! Mail by using Google Chrome and IE, this problem does not happen. The emails remain in their original state.

So I try to contact Yahoo! Mail and they told me it's a problem with my browser which is Firefox. They asked me to disable all extensions and plugins and retry again.

But the same thing is still happening in Firefox. My emails get cut off at the same place with no improvements.

So they asked me to reinstall Firefox which I did but nothing helped!

Anyone who can help me, I will really appreciate it. This is because everyday I use Firefox and Yahoo!Mail regularly. I usually have work to do using my Yahoo!Mail and I often have to forward my old written emails to others and if text is missing, I will be able to know what to edit to send out. Maybe the recipient has received the cut off text email at times, and sometimes they might get the original text email.

So if this problem is not solved, I can't work properly. Please help!

Only happens viewing Yahoo! Mail with Firefox This is what happens: Using Firefox, I write an email and then send it out. Then I went to my "Sent" box and then view the email I have written. It shows missing (cut off) text from my original mail, leaving about 50% of my original text left. I try to confirm this by forwarding that sent mail to myself and then it shows a half cut-off message same as I saw in the "sent" box. However, when I log into my Yahoo! Mail by using Google Chrome and IE, this problem does not happen. The emails remain in their original state. So I try to contact Yahoo! Mail and they told me it's a problem with my browser which is Firefox. They asked me to disable all extensions and plugins and retry again. But the same thing is still happening in Firefox. My emails get cut off at the same place with no improvements. So they asked me to reinstall Firefox which I did but nothing helped! Anyone who can help me, I will really appreciate it. This is because everyday I use Firefox and Yahoo!Mail regularly. I usually have work to do using my Yahoo!Mail and I often have to forward my old written emails to others and if text is missing, I will be able to know what to edit to send out. Maybe the recipient has received the cut off text email at times, and sometimes they might get the original text email. So if this problem is not solved, I can't work properly. Please help!

All Replies (2)

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The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

  1. Go to Firefox > Help > Troubleshooting Information.
  2. Click the "Reset Firefox" button.
  3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
  4. Firefox will open with all factory defaults applied.


Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

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Reset the page zoom on pages that cause problems.

  • View > Zoom > Reset (Ctrl+0 (zero); Cmd+0 on Mac)

If you have increased the minimum font size then try the default setting "none" as a (too) high value can cause issues.

  • Tools > Options > Content : Fonts & Colors > Advanced > Minimum Font Size (none)

Make sure that you allow websites to choose their fonts.

  • Tools > Options > Content : Fonts & Colors > Advanced > [X] "Allow pages to choose their own fonts, instead of my selections above"

It is better not to increase the minimum font size, but use an extension to set the default page zoom to prevent issues with overlapping text.