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Salesforce Email Field Character Limits: To, CC, BCC, From, and Subject

Date de publication: Jul 16, 2026
Description

In Salesforce, the following character and address limits apply to email fields in both Salesforce Classic and Lightning Experience. These limits are consistent across Group Edition, Professional Edition, Enterprise Edition, Performance Edition (Unlimited Edition), and Developer Edition.

Email Field Character Limits

FieldLimit
To, CC, BCC (combined)150 email addresses across all 3 fields
To, CC, BCC (per field)Up to 4,000 characters per field
From Address255 characters
Name255 characters
Subject4,000 characters

These limits apply to both Salesforce Classic and Lightning Experience.

Résolution

This article lists the maximum character limits for email fields in Salesforce. These limits are hardcoded and cannot be increased.

Character Limits Cannot Be Increased

These limits are hardcoded and cannot be increased. Visit the Salesforce Ideas Exchange to submit an idea or promote an existing idea to have this limit potentially increased in the future.

Limits When Using Email Action Buttons with Predefined Field Values

If the email is used with an email action button that has Predefined Field Values configured for To, CC, and BCC addresses, different limits apply:

  • Up to 1,300 characters per field
  • Up to 48 email addresses only
Numéro d’article de la base de connaissances

000381906

 
Chargement
Salesforce Help | Article