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title: Contact Lists | SMS Global Knowledgebase
description: Everything you need to know about uploading, formatting, and managing your contact list effectively.
---

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1. [SMS Global Knowledgebase](https://knowledgebase.smsglobal.com/)
2. [Contact Lists](https://knowledgebase.smsglobal.com/contact-lists)

# Contact Lists

 Everything you need to know about uploading, formatting, and managing your contact list effectively.

- [How to generate an HTML sign-up form for your website ](https://knowledgebase.smsglobal.com/how-to-generate-an-html-sign-up-form-for-your-website-smsglobal-help-center)
- [How to delete multiple contacts from a contact list](https://knowledgebase.smsglobal.com/how-to-delete-multiple-contacts-from-a-contact-list-smsglobal-help-center)
- [Allowing Duplicate Mobile Numbers ](https://knowledgebase.smsglobal.com/allowing-duplicate-mobile-numbers-smsglobal-help-center)
- [How to upload a file of contacts to MXT](https://knowledgebase.smsglobal.com/how-to-upload-a-file-of-contacts-to-mxt-smsglobal-help-center)
- [How to create a contact list in MXT ](https://knowledgebase.smsglobal.com/how-to-create-a-contact-list-in-mxt-smsglobal-help-center)
- [How to duplicate contact groups in MXT ](https://knowledgebase.smsglobal.com/how-to-duplicate-contact-groups-in-mxt-smsglobal-help-center)
- [Error when Uploading a File in MXT ](https://knowledgebase.smsglobal.com/error-when-uploading-a-file-in-mxt-smsglobal-help-center)
- [How to delete a contact list in MXT ](https://knowledgebase.smsglobal.com/how-to-delete-a-contact-list-in-mxt-smsglobal-help-center)
- [How to edit a contact list in MXT ](https://knowledgebase.smsglobal.com/how-to-edit-a-contact-list-in-mxt-smsglobal-help-center)
- [How to add an individual contact to a contact group? ](https://knowledgebase.smsglobal.com/how-to-add-an-individual-contact-to-a-contact-group-smsglobal-help-center)
- [Export a Contact List ](https://knowledgebase.smsglobal.com/export-a-contact-list-smsglobal-help-center)
- [How to format an Excel spreadsheet ](https://knowledgebase.smsglobal.com/how-to-format-an-excel-spreadsheet-smsglobal-help-center)

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