How to increase mail attachment size in office 365

The eternal struggle of dealing with large file attachments!

In Office 365, the default attachment size limit is 10 MB. However, you can increase this limit to accommodate larger files. Here are the steps:

Method 1: Increase attachment size limit for individual users

  1. Sign in to the Office 365 admin center (https://admin.microsoft.com).
  2. Go to Settings > Organization > Mail.
  3. Click on File size limits.
  4. Under Attachment size limit, select the desired size limit (up to 50 MB).
  5. Click Save changes.

Method 2: Increase attachment size limit for all users in your organization

  1. Sign in to the Office 365 admin center (https://admin.microsoft.com).
  2. Go to Settings > Organization > Mail.
  3. Click on File size limits.
  4. Under Attachment size limit, select the desired size limit (up to 50 MB).
  5. Click Save changes.
  6. Go to Settings > Organization > Mail > Message size limits.
  7. Under Maximum message size, select the desired size limit (up to 50 MB).
  8. Click Save changes.

Method 3: Use OneDrive or SharePoint to share large files

If you need to share files larger than 50 MB, consider using OneDrive or SharePoint. These services have much larger file size limits and offer more features for collaboration and file sharing.

  1. Upload your large file to OneDrive or SharePoint.
  2. Share the file with the intended recipient using the service's sharing features.

Additional tips

By following these methods, you should be able to increase the attachment size limit in Office 365 and share larger files with your colleagues and clients.