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Have Thunderbird setup as my default mail client but when clicking "Send to" on a file, an error comes up saying "...Outlook.pst cannot be found"

  • 3 replies
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  • Last reply by sfhowes

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As subject suggests. I use Thunderbird as my mail client, have it selected as my default in Windows10 settings. Right clicking on any file, selecting "Send To", clicking "Mail Recipient" (to open a Thunderbird email window), that warning comes up, suggesting it's looking for an Outlook file.

Why is it wanting to open Outlook when 1. I don't have it installed & 2. Thunderbird is set as default email client

Thank you, Erik

As subject suggests. I use Thunderbird as my mail client, have it selected as my default in Windows10 settings. Right clicking on any file, selecting "Send To", clicking "Mail Recipient" (to open a Thunderbird email window), that warning comes up, suggesting it's looking for an Outlook file. Why is it wanting to open Outlook when 1. I don't have it installed & 2. Thunderbird is set as default email client Thank you, Erik
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This is a Windows issue. I suggest you review Default Apps in windows, as there is more than one setting for email clients.

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That's clear but being that you have an email client, I wasn't sure if this was a common situation that's had numerous support requests with a common answer (aside from obviously changing the main default app under Settings). You were my first support to go for being that dealing with Microsoft support is like pulling teeth

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When MAPI functions like Send to don't work properly, they can sometimes be fixed by running the full TB installer in a particular way, to ensure TB is the default mail client:

https://support.mozilla.org/en-US/questions/1323685