Pause: You can pause any downloads currently in progress by clicking the Pause link under the file entry. This may be useful, for example, if you need to open a small download started after a large download. Pausing downloads gives you the choice to decide which of your downloads are most important. When you want to continue downloading those files, simply use the Resume link to finish those downloads.
Cancel: If after starting a download you decide you no longer need that file, canceling the download is simple: just use the Cancel link beside that file entry to cancel it and free up your connection for your browsing and other downloads.
Open the File: When a download has finished, the Open link will appear by the file entry. Use it to open the file.
Remove the File's Entry: If you do not wish to store information on a particular download, removing the entry is as simple as the click of a mouse. Simply use the Remove link beside the file entry to delete it.
Retry a Download: If for any reason a download does not complete, it is easy to attempt the download again. To recover from a failed download and retry it, just use the Retry link next to the file entry and Firefox will restart the download for you.
Show Download Folder: If you have set Firefox to save all downloads to a folder in Download Manager OptionsPreferences, you can open this folder by clicking the Folder Name at the bottom of the Download Manager window.

Pause: You can pause any downloads currently in progress by clicking the Pause button beside the file entry. This may be useful, for example, if you need to open a small download started after a large download. Pausing downloads gives you the choice to decide which of your downloads are most important. When you want to continue downloading those files, simply use the Resume button to finish those downloads.
Cancel: If after starting a download you decide you no longer need that file, canceling the download is simple: just use the Cancel button beside that file entry to cancel it and free up your connection for your browsing and other downloads.
Open the File: When a download has finished, you can double-click on the entry to open the file.
Remove the File's Entry: If you do not wish to store information on a particular download, simply right-clickpress Ctrl and click the file entry, then select Remove From List to delete it.
Retry a Download: If for any reason a download does not complete, it is easy to attempt the download again. To recover from a failed download and retry it, just use the Retry button next to the file entry and Firefox will restart the download for you.