The following section provides a list of limits of ActivityInfo. It is important to keep in mind the limits of ActivityInfo when you create a Database and you design your Forms.
Database structure
| Limit | Value | Unit |
| Maximum number of Users with access to a Database | 10,000 | Users |
| Maximum number of Forms in a Database | 500 | Forms |
| Maximum number of Subforms in a Form | 30 | Subforms |
| Maximum number of Records in a Form | 1,000,000 | Records |
| Maximum number of fields in a Form | 600 | fields |
| Maximum Folder depth | 10 | Folder within Folder |
| Maximum Subform depth | 5 | Subform within Subform |
Form structure
| Limit | Value | Unit |
|---|---|---|
| Maximum number of Keys per Form | 10 | Keys |
| Maximum number of Serial Number fields per Form | 1 | Field |
| Maximum number of Relevance rules per field | 10 | Relevance rules (conditions) |
| Maximum number of Options per Single/Multiple Selection field | 100 | Options |
| Maximum number of Options for all Single/Multiple Selection fields in a Form |
1000 | Options |
| Maximum Attachment size | 10 | MB |
| Maximum number of Attachments per field | 20 | Attachments |
| Maximum length of a Text field Record value | 1,024 | Characters |
| Maximum length of a Multi-line Text field | 65,536 | Characters |
| Maximum length of a Form or Folder Label | 1,024 | Characters |
| Maximum length of a field Label | 1,024 | Characters |
| Maximum length of a field Description | 2,048 | Characters |
| Maximum length of a Calculated field formula | 1,024 | |
| Maximum length of a field Code | 32 | Characters |
| Maximum length of a field Option | 500 | Characters |
| Maximum length of Key field appearing in a dropdown result of a Reference field. | 128 | Characters |