You can join various kinds of documents on Facebook. Be it text, sound or video. Nonetheless, if you can't do that, at that point this may be because of the helpless web association that is debilitating you to do what you need, To settle this, you need to reinforce the signs by one or the other going close to the switch or by changing to a superior organization. On the off chance that this doesn't help, at that point arrive at Facebook customer service for investigating arrangements.