I can't see any OneDrive icons
Windows
On a PC, you should see a white or blue OneDrive cloud icon in the notification area, at the far right of the taskbar.
You might need to click the Show hidden icons arrow 
next to the notification area to see the OneDrive icon.
If the icon doesn't appear in the notification area, OneDrive might not be running. Select Start, type OneDrive in the search box, and then select OneDrive in the search results.
Mac
On a Mac, you'll see the OneDrive cloud icons on the top Menu bar. If you don't see the Menu bar, you may need to adjust your General preferences. For more information, go to Apple Support.
If the icon doesn't appear in the Status menu area, OneDrive might not be running:
-
Find OneDrive in your Applications folder.
-
Right-click OneDrive and select Show Package Contents.
-
Browse to the Contents > Resources folder.
-
Double-click ResetOneDriveApp.command (or ResetOneDriveAppStandalone.command if you're using the standalone app).
-
Start OneDrive and finish the setup process.
OneDrive not signed in
-
Select the Start button, search for “OneDrive”, and then open it:
-
In Windows 10, select the OneDrive desktop app.
-
In Windows 7, under Programs, select Microsoft OneDrive.
-
In Windows 8.1, search for OneDrive for Business, and then select the OneDrive for Business app.
-
When OneDrive Setup starts, enter your personal account, or your work or school account, and then select Sign in.
Flashing OneDrive icon in Android
The OneDrive cloud icon may briefly appear in your Android notifications as part of the normal upload process.
Learn more about how to Use OneDrive on Android.
OneDrive account nearly full
If you see this icon, it means your OneDrive storage is nearly full.
Caution: Your OneDrive account will be frozen if you exceed your OneDrive storage limit for more than three months.
To prevent going over your storage limit, you have three options: