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Why can't I open an email attachment since changing from Windows 7 to Windows 10?

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  • 2 henkilöllä on sama ongelma
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  • Viimeisin kirjoittaja FredMcD

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I use Firefox version 41.0 as my web browser.

I use Firefox version 41.0 as my web browser.

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Please provide more details. E-mail provider, what kind of file . . . . .  ?