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Here you have the option to turn the signature Off or add a custom signature. In the ‘Options’ tab, scroll down to the ‘Signature’ section. To remove the link, click the gear icon at the bottom left to open the Settings panel. If the ‘Sent from Mail for Windows 10’ line is there with the word ‘Mail’ hyperlinked then you have been part of Microsoft’s subtle marketing. This is simply to check if you’re still using the default signature. Open Mail and click on the New Mail button to compose a new message. The Mail app is awesome in itself but if you never bother to edit the default signature and used it out of the box, you have been sending everyone you emailed a link to the Mail and Calendar Windows Store page. Windows 10 employs other, more subtle, ways to push its products on to users one of which comes in the form of the default signature in the Mail app.
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The app periodically reminds you to try Office 365.
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It’s gotten quite aggressive with it going so far as to install an app called ‘Get Office’ on Windows 10. Windows 10 marked a shift in how Microsoft promotes its products.
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