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title: Bulk opt-out contacts in MXT 
description: SMS Global Knowledgebase
---

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# Bulk opt-out contacts in MXT 

## How to import a file of contacts to opt-out numbers in bulk via MXT

**1.** Select ***‘Send Messages'*** on the left-hand side of the MXT menu, click on ***‘Opt Outs’***.

**2.** Under the heading ***‘Import a file of contacts’***, click ***‘Import Out Out Contacts’***

**3.** Browse your files and upload the relevant ***CSV file*** of numbers that you wish to opt out.

**Note:** The file should be in .csv format and contains only one valid phone number per row. The file must also be less than 10MB.

[![](https://hs.smsglobal.com/hubfs/Knowledge%20Base%20Import/OptOuts_BulkImport.gif)](https://downloads.intercomcdn.com/i/o/344126930/4dbe1501476f23fdb221134f/OptOuts_BulkImport.gif?expires=1768788900&signature=d05229974c9d5d6498a4a71c152ec365f9cf266bbebfc84e8f050ba7713754db&req=dyQjF8t4lIJfFb4f3HP0gGgTuk6AlInwgK9eTBlzCOYXAWYn9AmZZmpQ4xpY%0AV%2B55EmPIQYsnRszn7A%3D%3D%0A)

**Note:** You also have the option to [opt out numbers or contacts individually](https://hs.smsglobal.com/manually-opt-out-a-number-or-contact-in-mxt-smsglobal-help-center?hsLang=en-au).

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