You can learn how to use the Android app to send a file to a chat channel.
Step 1: You can open Slack on your phone.
There is a black "S" inside the multicolored icon.You can usually find it on the home screen or the app drawer.
Step 2: You can add the file by tapping on the channel.
Step 3: You can tap the file icon.
It appears to be a piece of paper with a paperclip.It is in the message box.The files will appear at the bottom of the screen if you have uploaded them before.
Step 4: Use the tap to load the file.
The menu will be open.
Step 5: Go to the file you want to upload.
You can save files to your phone by hitting one of the folders in the menu.tap to find it if the file is saved to your drive
Step 6: Go to the file.
It will be in the message box.Only one file at a time can be uploaded.
Step 7: The airplane icon is on a piece of paper.
It is at the bottom-right corner.The file will be uploaded to the channel.