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i believe you are using outlook, please check below settings and check the options as in screenshot.<br />
<br />
Oulook 2010<br />
<br />
File-&gt; Account Settings-&gt; Account Settings-&gt; select your Gmail account-&gt; button Change…-&gt; button More Settings…-&gt; tab Sent Items-&gt;<br />
<br />
<a href="https://filedb.experts-exchange.com/incoming/2014/02_w07/834110/2010.png" target="_blank" title="Outlook 2010 (31 KB)"><img alt="Outlook 2010" class="file-block lazyload" style="max-width: 402px;" data-src="https://filedb.experts-exchange.com/incoming/2014/02_w07/834110/2010.png" /></a><br />
Outlook 2013<br />
<br />
File-&gt; Account Settings-&gt; Account Settings-&gt; select your Gmail account-&gt; button Change…-&gt; button More Settings…-&gt; tab Advanced-&gt; option: Do not save copies of sent items <br />
<br />
<a href="https://filedb.experts-exchange.com/incoming/2014/02_w07/834111/2013.png" target="_blank" title="Oulook 2013 (16 KB)"><img alt="Oulook 2013" class="file-block lazyload" style="max-width: 402px;" data-src="https://filedb.experts-exchange.com/incoming/2014/02_w07/834111/2013.png" /></a><br />
If you are using a different program let me know.
</div>


i believe you are using outlook, please check below settings and check the options as in screenshot.

Oulook 2010

File-> Account Settings-> Account Settings-> select your Gmail account-> button Change…-> button More Settings…-> tab Sent Items->

Outlook 2010https://filedb.experts-exchange.com/incoming/2014/02_w07/834110/2010.png
Outlook 2013

File-> Account Settings-> Account Settings-> select your Gmail account-> button Change…-> button More Settings…-> tab Advanced-> option: Do not save copies of sent items

Oulook 2013https://filedb.experts-exchange.com/incoming/2014/02_w07/834111/2013.png
If you are using a different program let me know.

2010.png

2013.png

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No I'm not using any other programs.<br />
<br />
Just Gmail
</div>


No I'm not using any other programs.

Just Gmail

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<div class="content wysiwyg-content">
Hi <br />
<br />
I constantly receive a duplicate in my mail box when I send an email from may Gmail account.<br />
<br />
How can I stop that, is that a setting ?
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</div>


Hi 

I constantly receive a duplicate in my mail box when I send an email from may Gmail account.

How can I stop that, is that a setting ?

Gmail duplicate when sending

Office Productivity refers both to the act of being productive and efficient in an office or professional environment, as well as the software applications used to "produce" information. This includes the development of professional skills, creating work processes, and almost any program used to create or modify a document, image, audio or video clip. However, business application suites such as Microsoft Office, which include word processing, spreadsheet and presentation programs, are typically called productivity software, as contrasted with a "utility program," such as a file manager, which is used to organize files and folders on the computer. Many office- and business-oriented groups of programs are organized into suites.

Office Productivity

Google Workspace is a suite of cloud computing productivity and collaboration software tools and software. It includes Google’s popular web applications including Gmail, Drive, Hangouts, Calendar, and Docs. While these products are available to consumers free of charge, Google Workspace adds business-specific features such as custom email addresses at your domain and storage for documents and email.