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Get Started
- How to Send a Fax Using Print to Fax
- Am I on the right Fax.Plus plan for my needs?
- Why is my fax number gone after I upgraded my plan?
- Can I get a fax number for a country I don't live in?
- I accidentally upgraded to an annual plan but meant to choose monthly. Can I switch my billing cycle?
- How to Submit Regulatory Documents for Purchasing a Fax Number?
- See all 39 articles
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Send Fax
- How can I send a fax?
- How Auto Resume on Partial Send works?
- Sending a fax to a Government Agency (IRS, USCIS, SSA, and others)
- Why am I being asked to upgrade my plan even though I added credit?
- Understanding fax delivery confirmation and troubleshooting non-receipt claims
- How can I send and receive faxes while traveling abroad?
- See all 53 articles
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Faxes
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Contacts
- How can I block incoming faxes from anonymous senders?
- How can I send a fax directly from my contacts?
- How can I share my contact groups?
- How can I share my contacts with my team?
- How can I send a fax to one or several groups in my contacts?
- How can I import multiple contacts to my account from Excel?
- See all 11 articles
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Business & Enterprise
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Google Integration
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Microsoft Integration
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Slack Integration
- Am I eligible to use Fax.Plus app for Slack?
- How can I receive notifications on a private Slack channel?
- How can I get my faxes attached in my Slack messages?
- How can I configure and manage my Fax.Plus notifications in Slack?
- How can I install the Fax.Plus App for Slack?
- What is the Fax.Plus integration for Slack?
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Zapier Integration
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Fax.Plus API
- Understanding Why Fax Headers Use UTC with the send_time Parameter in the Fax.Plus API
- How to Test Fax.Plus API Features and Request a Sandbox Environment
- Fax.Plus on‑premises data storage options, and S3 integration
- How to Assign Fax Numbers Using the Fax.Plus API?
- How to Purchase Fax Numbers Using the Fax.Plus API
- Create fine-grained access for Fax.Plus API using Personal Access Tokens
- See all 15 articles
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Email to Fax
- Why isn't my forwarded fax notification arriving in my email?
- How can I prevent the email body from being sent as a fax cover page?
- Resolving SPF Check Error When Sending Email to Fax
- How to send a fax using your email with Fax.Plus
- How can I forward my received faxes to multiple email addresses?
- How can I receive faxes in my email?
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Mobile app
- How to cancel my subscription purchased via Apple App Store or Google Play
- How can I verify and update my Fax.Plus mobile application version?
- Change Fax.Plus plans when subscribed with Google Play In-App Purchases
- Change Fax.Plus plans when subscribed with Apple In-App Purchases
- How can I scan and fax a document using my mobile camera?
- How can I send a fax from iCloud Drive?
- See all 9 articles
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Number Porting
- How do I retrieve my port-out PIN to move my Fax.Plus number to another provider?
- Which countries are supported for number porting to Fax.Plus?
- Porting an Australian fax number to Fax.Plus and plan options
- Common Porting Rejections and How to Prevent Them
- Can I call forward my faxes to a different number?
- Requesting a U.S. Fax Number Port by Email Without the Online Form
- See all 17 articles
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Single Sign-On
- Using Multiple Fax.Plus Accounts with Azure (Microsoft Entra ID) SSO
- How can I add an existing Fax.Plus user to my SSO-enabled account?
- How can I set up Automated User Provisioning on Okta?
- What is the significance of adding a user through the identity provider (SSO)?
- What happens to the team members I've added once I enable SSO?
- How can I invite new team members to my SSO-enabled account?
- See all 11 articles