You can add files and links to a task in two ways:
From a task’s Files tab
When you create or reply to a task comment
Adding files from task's Files tab
To add a file from Files:
Open a task and go to Files.
2. Select Add files.
3. In the dialogue box, drag and drop files or upload by selecting Browse for files.
4. Give your file a name and select a category to be stored.
5. When done, select Upload.
Adding links from task's Files tab
To add a link from the Files tab:
1. Open a task and go to Files.
2. Select Add links and paste the link in the Link to External File box.
3. Fill in the boxes and select Upload.
Adding files/links in а Comment
You can attach a file to a comment regardless if you are creating a new comment or replying to an existing one.
To add a file/link in a comment:
When the Add comment dialog box opens, either select Browse for files or Add Link option.