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I recently upgraded to I am using Thunderbird version: 52.5.2.6564 on Windows 7 - and when I send an e-mail to myself I keep getting these random � characters

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I recently upgraded to I am using Thunderbird version: 52.5.2.6564 on Windows 7 - and when I send an e-mail to myself I keep getting these random � characters on my incoming e-mail.

I am using Thunderbird version: 52.5.2.6564 on Windows 7 system.

I open Tools - Options - Formatting - and I have long used Default Font: Arial Size: 13 which has worked fine for me.

Under Options - Advanced - Fonts & Encoding I have:

Fonts For; Latin, I also tried Other Writing System since - since Western is not available.

Under Text Encoding I have tried virtually every combination for Outgoing Mail and Incoming Mail.

Font Control is checked for: Allow messages to use other fonts - and - Use fixed width fonts for plain text messages.

When possible, use the default text encoding in replies is not checked.

HELP! And thank you, Bill Gray

I recently upgraded to I am using Thunderbird version: 52.5.2.6564 on Windows 7 - and when I send an e-mail to myself I keep getting these random � characters on my incoming e-mail. I am using Thunderbird version: 52.5.2.6564 on Windows 7 system. I open Tools - Options - Formatting - and I have long used Default Font: Arial Size: 13 which has worked fine for me. Under Options - Advanced - Fonts & Encoding I have: Fonts For; Latin, I also tried Other Writing System since - since Western is not available. Under Text Encoding I have tried virtually every combination for Outgoing Mail and Incoming Mail. Font Control is checked for: Allow messages to use other fonts - and - Use fixed width fonts for plain text messages. When possible, use the default text encoding in replies is not checked. HELP! And thank you, Bill Gray

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change the font.... Arial is not a uniciode font and therefore is not suitable for email.

The days of windows code pages and ANSI fonts are gone.

Microsoft offer a Unicode download here https://www.microsoft.com/typography/fonts/font.aspx?FMID=1081