Sometimes other files need to be accessible on web pages. It is recommended to always convert such documents into PDFs to avoid corrupt files.
To add a PDF or make a change to an existing PDF or file:
Open the Rich Text Editor.
Choose a location for the PDF or locate the text of an existing link of a PDF file. Type in the text or change the name of existing PDF/file in the content area and then highlight text:
Click the insert Sitecore Link button:
Click the Media Items tab:
Navigate to Files folder:
Select the file from the File Directory or click Upload to upload a new file:
To upload a new file, click Choose File. Navigate to and select the file you'd like to upload. Then click Upload:
Once your file has been selected and/or uploaded, click Insert: