Tap the more icon at the far right of the scheduled meeting you want to update.
Tap View meeting details, and then tap Event details.
Tap Edit at the top left.
Edit the meeting details.
Tap Done at the top right to save changes.
Updating a scheduled meeting for Android devices
Tap Video via the bottom menu bar.
Tap the three-dot icon at the far right of the scheduled meeting you want to update.
Tap View meeting details, and then tap Event details.
Tap the blue right-pointing arrow up in a box at the left of the meeting name to open meeting details via the default calendar used to schedule the meeting (or Google calendar).
Tap the edit pencil icon at the top right.
Edit the meeting details.
Tap the check mark icon (for Outlook calendar) or Save (for Google calendar) at the top right to save changes.