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Unable to bring up a contact when trying to compose an email.

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I have discovered Major problem with Firefox which affects the use of my btinternet.com email account . Since the recent update I am no longer able to add the contact name to a new email which I wish to compose automatically from my contacts (I am required to type it in full. I can still do it, with the shortcut of typing in the first 3 letters, when using other browsers such as Google or Edge or the Outlook muti mail account service but generally prefer Firefox. If this situation prevails I will ditch Firefox as speed of communication and addressing is of the essence to me. Are Firefox aware and are they correcting things?

Could any settings have been altered by the update - which contribute to my problem?

I have discovered Major problem with Firefox which affects the use of my btinternet.com email account . Since the recent update I am no longer able to add the contact name to a new email which I wish to compose automatically from my contacts (I am required to type it in full. I can still do it, with the shortcut of typing in the first 3 letters, when using other browsers such as Google or Edge or the Outlook muti mail account service but generally prefer Firefox. If this situation prevails I will ditch Firefox as speed of communication and addressing is of the essence to me. Are Firefox aware and are they correcting things? Could any settings have been altered by the update - which contribute to my problem?

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Hi Brian

Is this about the Firefox web browser or the Thunderbird email client?

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Its the Firefox web Browser that is giving me the trouble when on my BT mail account.

Cant spend all the time having to look up and manually type in the mail addresses when composing mail to customers and friends. Until a few days ago I just typed a few letters in the 'To' field and appropriate addresses from my 'Contacts' appeared to let me make the appropriate choice. This option still applies but when I click on the address required a message appears in the 'To' box saying invalid - so I have to delete that and type in the full address (by looking in the contact list). Time consuming!

As I say it was a helpful, automatic process until a few days ago.

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