# Sending faxes guides

Start with the device or document you have. These guides walk through preparing your pages, addressing the fax, and checking whether it was delivered.

## [How to fax Form SS-4 for an EIN](https://dearfax.com/guides/how-to-fax-ss4-for-ein.md)

Choose the correct IRS route, prepare a signed SS-4, and include a working return fax number for your EIN application.

## [How to fax from an iPhone](https://dearfax.com/guides/how-to-fax-from-iphone.md)

Send a PDF or a paper document from your iPhone. This guide walks through preparing the file, sending it in Safari, and checking delivery.

## [How to fax a PDF](https://dearfax.com/guides/how-to-fax-a-pdf.md)

Send a PDF to a fax number from your browser. Here’s how to check the document, add a cover page, and confirm delivery.

## [How to fax from Android](https://dearfax.com/guides/how-to-fax-from-android.md)

Fax a saved document or a paper form from your Android phone. Use your browser to prepare the pages, send them, and check delivery.

## [How to fax from a computer](https://dearfax.com/guides/how-to-fax-from-a-computer.md)

Send a fax from a Windows PC or Mac using your browser. Prepare your files, add paper documents from your phone, and track delivery.

## [How to send a fax from Gmail](https://dearfax.com/guides/how-to-fax-from-gmail.md)

Send PDF or image attachments to a fax number from Gmail with DearFax. Set up email to fax, format the address, and track delivery.

## [How to send a fax from Outlook](https://dearfax.com/guides/how-to-fax-from-outlook.md)

Send documents to a fax number from Outlook with DearFax. Set up your sending account, attach the files, and check delivery.

## [How to send a fax with ChatGPT](https://dearfax.com/guides/how-to-send-a-fax-with-chatgpt.md)

Connect DearFax to ChatGPT, attach your document, review the fax, and confirm sending.

## [How to send a fax with Claude](https://dearfax.com/guides/how-to-send-a-fax-with-claude.md)

Prepare a fax with Claude and DearFax, review the document and recipient, and confirm the send.

## [How to send a fax with Codex](https://dearfax.com/guides/how-to-send-a-fax-with-codex.md)

Connect Codex to DearFax through MCP, prepare a document, and send it after reviewing the saved fax.

## [How to send a fax with Gemini](https://dearfax.com/guides/how-to-send-a-fax-with-gemini.md)

Prepare a document in Gemini, save a final PDF, and send it to a fax number through DearFax.

## [How to send a fax with Microsoft Copilot](https://dearfax.com/guides/how-to-send-a-fax-with-microsoft-copilot.md)

Use Microsoft Copilot to prepare a document, save a finished PDF, and send it through DearFax.