How to attach files to posts and manage limits

Post file attachments and limitations

This article explains file size and type limitations, how to attach files to posts, and how to configure these settings as an admin.

Attaching files to a post

The following users can attach files to posts:

  • Post authors (when creating or editing their own posts)

  • Admins and moderators (can add or remove attachments from any published post)

Once a file is attached to a post, all users with access to that post can:

  • Preview the file (images and PDFs only)

  • Download the file

How to attach files to a post

Attach images and files

In the post composer, use these icons:

  • Attachment icon — attach a file

  • Image icon — attach an inline image

When you select the image icon, you can:

  • Upload a file from your device

  • Embed a file link

  • Search Unsplash for an image

Attach videos, audio, and embed links

Select the + icon at the bottom left of the post composer to attach:

  • Files

  • Images

  • Videos

  • Audio

  • Embedded links

File size and type limits

File attachment limits depend on your Bettermode pricing plan and your admin's configuration settings.

File size limits

Images: 10MB (all plans)
File attachments: 50MB (Starter/Growth/Premium plans)
File attachments: 500MB (Growth/Premium)

File type limits

Supported by default (all plans):

  • Images (all formats)

  • Audio (all formats)

  • Video (all formats)

  • PDF documents

Preview capability: Only images and PDFs can be previewed. All other file types can be downloaded but not previewed.

Additional file types: To enable high-risk file types such as .docx files, your admin must explicitly enable them. This capability is available on Growth and Premium plans only.

How admins can configure file limits

Change the file size limit

By default, your plan's maximum file size applies. To set a lower limit:

  1. Go to Administration > Settings > Site settings > Media settings

  2. Change the Attachment and video size limit

  3. Click Update to save your changes

Enable additional file types

Note: This feature is available on Growth and Premium plans only.

To allow users to attach additional file types (such as .docx):

  1. Go to Administration > Settings > Site settings > Media settings

  2. Under Supported file types, add the file type using one of these formats:

    • MIME type notation (example: image/*)

    • File extension with a leading period (example: .docx)

  3. Click Update to save your changes

For a complete list of MIME types, see Common MIME types.

Related topics

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