Maximum file size limits for Excel attachments in Salesforce Marketing Cloud emails

using Coefficient excel Add-in (500k+ users)

Understand Marketing Cloud's 1MB Excel attachment limit and learn how to share unlimited spreadsheet data through live links instead.

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Marketing Cloud enforces strict file size limits of typically 1MB or less for email attachments, making large Excel files impossible to send directly. These limitations often force you to compress data or split reports, reducing their value to recipients.

Here’s how to eliminate file size limitations entirely while providing recipients with full datasets and complete spreadsheet functionality without any size restrictions.

Bypass Marketing Cloud size limits with unlimited cloud-based data sharing using Coefficient

Coefficient eliminates file size limitations entirely by providing cloud-based data sharing. You can import large datasets from Salesforce without size restrictions and share them through links that aren’t subject to Marketing Cloud’s attachment limits. Recipients access full datasets with complete spreadsheet functionality instead of compressed or split files.

How to make it work

Step 1. Import large datasets without size restrictions using Coefficient’s object and report import capabilities.

Access all Salesforce data including comprehensive reports with thousands of records, complete opportunity pipelines, or detailed campaign performance data. There are no size limitations on what you can import, unlike Marketing Cloud’s 1MB attachment restriction.

Step 2. Set up automatic data optimization with scheduled refresh.

Configure Coefficient’s scheduled refresh feature to ensure data stays current without requiring new large file uploads. Your data updates automatically from Salesforce, maintaining freshness without hitting size limits during email sends.

Step 3. Create unlimited sheet access through shareable links.

Generate Google Sheets links that provide recipients with access to full datasets. Recipients can sort, filter, and analyze complete data sets without any size restrictions that would limit static Excel attachments.

Step 4. Provide efficient data delivery without download requirements.

Recipients access comprehensive datasets through links rather than large file downloads. They get full spreadsheet functionality including formulas, pivot tables, and data analysis tools without any file size constraints.

Share unlimited data without restrictions

For example, a comprehensive sales pipeline report with thousands of opportunities can be shared as a live Google Sheets link, providing recipients with full functionality without any size restrictions that would limit static Excel attachments. Start sharing unlimited datasets today.

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