How to Add Attachments in GoHighLevel — Send Complete Documents

If you're running a digital marketing agency or managing client relationships through GoHighLevel, you know that communication efficiency is everything. But there's a common workflow problem: clients need multiple supporting documents—contracts, proposals, branded assets, compliance forms—and sending them piecemeal creates friction, confusion, and follow-up emails nobody wants to deal with.

GoHighLevel's attachment feature solves this by letting you embed files directly into documents and email templates, so clients receive a complete document package in a single send. No external links. No separate emails. No confusion about which file is which.

In this guide, I'll walk you through exactly how to upload, manage, and send attachments in GoHighLevel—plus the best practices that'll keep your client delivery process smooth and professional. And if you haven't experienced GoHighLevel's full power yet, you can start a free 30-day trial here—that's double the standard trial period.

Understanding GoHighLevel Attachments: What They Are and Why They Matter

GoHighLevel's attachment feature isn't just a file upload tool—it's a workflow accelerator. When you attach files directly to a document or template, those files become embedded in the outgoing email as true attachments. This means your clients don't have to click links, navigate to portals, or wait for downloads from external services.

Here's the real benefit: faster client onboarding, reduced back-and-forth emails, and a more professional first impression. Imagine sending a new client their contract, brand guidelines, service overview, and compliance form all in one cohesive email package. That's the power of integrated attachments.

For agencies using GoHighLevel as their complete CRM and marketing automation platform, this feature eliminates the need to juggle external file-sharing tools. Everything happens within the platform your team and clients already use.

Supported File Types and Upload Limits in GoHighLevel

Before you start uploading, it's essential to know what GoHighLevel accepts and what the boundaries are.

Supported file types include:

• PDFs (contracts, proposals, guides)
• Images (PNG, JPG, SVG)
• Documents (Word files, text files)
• Spreadsheets and data files

Upload limits: Each individual file can be up to 15 MB. If you're attaching multiple files, the combined size matters—keep your total attachment package under reasonable limits (typically 25-35 MB depending on your email provider's restrictions downstream).

Files larger than 15 MB won't upload. If you hit this barrier with a PDF or image, try compressing it using an online tool or reducing the resolution, then re-upload.

Step-by-Step: How to Add Attachments to Documents

Adding attachments to GoHighLevel documents is straightforward. Follow these steps:

Step 1: Navigate to Documents
In your GoHighLevel dashboard, go to Documents (usually found in the left sidebar under Marketing or Campaigns, depending on your subscription level).

Step 2: Create or Open a Document
Either create a new document or open an existing one you want to add attachments to. Click Edit to enter the document builder.

Step 3: Locate the Attachments Section
Scroll down in the document builder until you find the Attachments field or button (typically near the bottom of the form editor). Some templates have this visible by default; others require you to add a section.

Step 4: Upload Files
Click the Upload or Add Attachment button. A file browser will open. Select the file(s) you want to attach from your computer. You can upload multiple files at once—just select them together in your file manager.

Step 5: Verify and Save
Once uploaded, you'll see the file name(s) listed in the attachments field. Verify everything looks correct, then click Save Document or Update to finalize the changes.

Step 6: Send or Schedule
When you send this document to a client via email, workflow, or campaign, the attachments will automatically be included. There's no extra step—they're baked into the send.

This is built into GoHighLevel. Try it free for 30 days →

Adding Attachments to Email Templates

Email templates work similarly to documents, but with a slightly different workflow since templates are designed for recurring sends.

In the Email Template Builder:

Go to Templates → Email Templates → Create or edit a template. Once you're in the editor, look for an Attachments option (usually near the email signature or footer area). Click to add files.

The same upload limits apply: up to 15 MB per file. When this template is used to send emails—whether manually or through a workflow/automation—the attachments will be included in every send.

This is powerful for recurring communications. For example, if you send a weekly check-in email to clients that includes a performance report or resource guide, attaching it to the template means it's automatically included every time—no manual steps required.

Best Practices for Managing Multiple Attachments

1. Organize by Purpose
When sending multiple files, arrange them in a logical order: contract first, then supporting docs, then resources or guidelines. This helps clients navigate the package intuitively.

2. Name Files Clearly
Before uploading, rename files with descriptive labels. Instead of "Document_v3_FINAL.pdf," use "Client_Onboarding_Contract.pdf" or "Brand_Guidelines_2024.pdf." This clarity saves your clients time and reduces confusion.

3. Keep File Count Reasonable
While GoHighLevel supports multiple attachments, sending more than 5-7 files in one email can feel overwhelming. If you need to send more, consider bundling related documents or scheduling separate, purposeful sends.

4. Test Before Full Send
Always send a test email to yourself or a team member first. Verify that all attachments arrive, are properly named, and aren't corrupted. This catches issues before they reach clients.

5. Compress Large Files
If you're near the 15 MB limit on individual files or concerned about email deliverability with a large package, use compression tools to reduce file size. PDFs are especially good candidates for compression.

6. Use Workflows for Consistency
If certain documents (like contracts or onboarding packages) are sent to every new client, build them into an automated workflow. This ensures no attachment is ever forgotten and delivery is instantaneous.

Troubleshooting Common Attachment Issues

Attachment Won't Upload
Check the file size (must be under 15 MB) and file type (PDFs, images, and common document formats are supported). If it's an unusual file type, try converting it to PDF or a standard image format first.

Attachment Appears in GoHighLevel But Not in Client Email
This usually means the email was sent before the attachment was fully saved. Try re-saving the document or template, then resend a test email to confirm the attachment is now included.

Multiple Attachments Not All Showing
Verify you're uploading them in the same attachments field and not accidentally uploading to separate sections. Also check your total file size; some email providers reject packages over 25-35 MB combined.

File Corrupted or Won't Open in Client Email
Re-upload the file to GoHighLevel. If the issue persists, the original file may be corrupted—try a fresh version or convert the format (e.g., Word to PDF) and upload again.

Final Thoughts: Attachments in GoHighLevel are one of those features that feels simple but delivers serious efficiency gains. By bundling documents, contracts, and supporting files directly into your communications, you eliminate friction from client onboarding, proposal delivery, and ongoing project management. Combined with GoHighLevel's automation, CRM, and campaign tools, attachments become part of a seamless, professional client experience that sets your agency apart.

Start using attachments today in your free trial, and you'll quickly see how much smoother your client delivery workflows become.