|Working With My Profile / Viewing and Editing General Profile Information|
You can add or change your profile photo to your My Profile page.
You cannot edit your profile photo if it is uploaded to the system through your organization's active directory integration.
To add or edit your profile photo, follow these steps:
The default file size for the profile photo is limited to 100 KB. System administrators can edit the, "Maximum file size of a user's profile photo security policy" to modify the profile photo file size limit.