Mobile phone QQ and computer QQ can pass the file, but also can pass the larger files, cell phone I take a more than 160M video files as an example, computer I take a more than 200M, is possible to send.

Mobile phone transmission steps are as follows:

1. Open the cell phone QQ, click on the object you want to send (as follows):

2. In the chat interface, click on the lower right corner of the "plus" (as follows):

3. "File" function (as below):

4. Select a large file, in addition to video files, you can also choose pictures, documents and other types of files (as below):

5. Sending will be a bit slow, the sending process will show the percentage of the send, wait until the send to 100% is complete (as below):

Please note that you may not be able to send the file to your computer, but you will need to send it to your computer.

The specific steps for computer transmission are as follows:

1. Open the chat window with the other party, click on the symbol similar to the folder in the picture (as shown below):

2. Select a file, click on the lower right corner of the "open" button to send (as shown below):