> For the complete documentation index, see [llms.txt](https://docs.projectsend.org/about/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.projectsend.org/about/how-to-use.md).

# How to use

- [Files](https://docs.projectsend.org/about/how-to-use/files.md)
- [File types restrictions](https://docs.projectsend.org/about/how-to-use/files/file-types-restrictions.md)
- [Orphan files](https://docs.projectsend.org/about/how-to-use/files/orphan-files.md)
- [File size limits](https://docs.projectsend.org/about/how-to-use/files/file-size-limits.md)
- [Categories](https://docs.projectsend.org/about/how-to-use/files/categories.md)
- [Users and clients](https://docs.projectsend.org/about/how-to-use/users-and-clients.md)
- [Creating accounts](https://docs.projectsend.org/about/how-to-use/users-and-clients/creating-accounts.md)
- [Self registration](https://docs.projectsend.org/about/how-to-use/users-and-clients/self-registration.md)
- [Groups](https://docs.projectsend.org/about/how-to-use/groups.md)
- [Public files and groups](https://docs.projectsend.org/about/how-to-use/public-files-and-groups.md)
- [Templates](https://docs.projectsend.org/about/how-to-use/templates.md)
- [E-mail notifications](https://docs.projectsend.org/about/how-to-use/e-mail-notifications.md)
- [SMTP settings](https://docs.projectsend.org/about/how-to-use/e-mail-notifications/smtp-settings.md)
- [E-mail templates](https://docs.projectsend.org/about/how-to-use/e-mail-notifications/e-mail-templates.md)
- [Testing email settings](https://docs.projectsend.org/about/how-to-use/e-mail-notifications/testing-email-settings.md)
- [Actions log](https://docs.projectsend.org/about/how-to-use/actions-log.md)
- [Cron tasks](https://docs.projectsend.org/about/how-to-use/cron-tasks.md)
- [Custom CSS/JS/HTML](https://docs.projectsend.org/about/how-to-use/custom-css-js-html.md)
- [Using the assets manager](https://docs.projectsend.org/about/how-to-use/custom-css-js-html/using-the-assets-manager.md)
- [Using custom files](https://docs.projectsend.org/about/how-to-use/custom-css-js-html/using-custom-files.md)