How to Fax Large Files Online

Send large documents online with clear file-size and page limits, plus practical workarounds when a file is too big.

Attach up to 10 supported files, keep each file within the current file-size limit, and check the combined upload and page count before sending.

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Large files, prepared and ready to fax online.

How to Fax a Large File Online: Step-by-Step Guide

Upload the file, check its size and page count, and send it online without a fax machine.

Create or sign in to your Fax.Plus account, then open Send Fax.

Enter the recipient’s complete fax number, including the country and area code when needed.

Attach up to 10 supported files and keep the combined upload within the 30 MB file-size limit that applies to every plan.

Check the total page count against your plan limit. If the fax is too large, split the document, combine smaller attachments, or reduce image resolution before sending.

Send the fax, then follow its status in the dashboard and keep the delivery report.

What If My File Is Too Big to Fax?

If a document exceeds a file-size, attachment, or page limit, adjust it before sending instead of retrying the same oversized fax.

Split it into multiple faxes

Divide the document into smaller parts and send them separately. Fax.Plus support recommends roughly 5–10 pages per individual file for better transmission reliability.

Combine smaller files

If you have more than 10 attachments, merge related files into fewer documents before uploading.

Reduce image resolution

Export a lighter PDF or lower image resolution in the source file. Fax.Plus does not include a built-in compression or splitting tool.

File Size and Page Limits by Plan

Use the upload, attachment, and page limits together when preparing a large fax. You can attach up to 10 files, and the combined upload limit is 30 MB on every plan.

Plan

Combined Upload Limit

Pages per Fax

Other Limits

Gratis

30 MB

10 files/fax, 1 concurrent transmission

Basic

30 MB

10 files/fax, 2 concurrent transmissions

Premium

30 MB

10 files/fax, 2 concurrent transmissions

Business

30 MB

200

10 files/fax, 10 concurrent transmissions

Enterprise

30 MB

250

10 files/fax, 60 concurrent transmissions, monthly page add-on plans available (e.g. 4000 Pages Plan)

Why Fax.Plus for Large Files?

Fax large files online without a fax machine, while keeping file size, page count, delivery status, and recovery options visible in one workflow.

Send moderate files in one fax

When your document fits the current size, attachment, and page limits, upload it and send it as one transmission.

Check limits before sending

Review file size, attachment count, and your plan’s maximum pages per fax before starting the transmission.

Resume partial sends

Auto Resume on Partial Send can continue from the next unsent page after an interruption; the recipient may receive resumed pages as a separate transmission.

Handle sensitive files securely

Review the recipient and attachments before sending. HIPAA-regulated workflows require the Enterprise plan and a signed Business Associate Agreement.

Veelgestelde vragen

How do I fax a large file online?

Sign in to Fax.Plus, open Send Fax, enter the recipient number, attach the document, check the file size and total page count, then send. If it exceeds a limit, reduce or split it before resending.

What is the maximum file size I can fax?

Fax.Plus allows up to 10 files per fax. The combined upload limit is 30 MB on every plan. Page limits also apply by plan.

What happens if my file is too big to fax?

Split the document into multiple faxes, combine many small attachments into fewer files, or reduce image resolution or export a lighter PDF before uploading. Fax.Plus does not provide a built-in compression or splitting tool.

Can I fax multiple files together to send one large document?

Yes. You can attach up to 10 supported files in one fax, as long as the combined upload and total page count remain within the applicable limits.

Does faxing a large file cost more or use more pages?

Fax.Plus meters fax usage by pages, not by file size. A larger file only uses more of your allowance if it contains more billable fax pages; extra usage may be billed under your current plan terms.

What file formats can I fax?

Supported formats include DOC, DOCX, PDF, TXT, RTF, JPG, PNG, TIFF, XLS, and XLSX. ZIP files are not listed as supported.

Can I compress a file before faxing it?

Yes, but compression must be done before upload. Reduce image resolution or export a smaller PDF in the source application; Fax.Plus does not include a built-in compression tool.

Is it secure to fax large or sensitive files online?

Use the correct recipient number, review every attachment for accuracy, and keep the delivery report as your file transfer record. Fax.Plus requires the Enterprise plan and a signed Business Associate Agreement for HIPAA-regulated large-file transmissions.

Do I need a special plan to fax large files?

The file and attachment rules apply alongside plan-specific page caps. Higher plans raise the maximum pages per fax from 30 on Free to 250 on Enterprise, so upgrading may help when a large document contains many pages.

More ways to prepare and fax large files

Learn how to handle PDFs, images, documents, and multi-page faxes before sending them online with Fax.Plus.

Fax Large Files Online

Upload your document, check its size and page count, and send it online with Fax.Plus.

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