Steps to reproduce:

Install the nvda next 14998.
Open a spreadsheet in excel.
press f2 on any cell in the worksheet.

Expected behavior:

The nvda should read the characters entered in the cell when in edit mode.

Actual behavior:

after typing a content in the cell and pressing f2 to edit the cell, and trying to walk with the arrows by the typed text the nvda informs unknown, and does not read the typed text.

System configuration:

NVDA version:
next 14998

NVDA Installed or portable:
instaled

Other information:

Example: Running in a VM
it was necessary to reinstall the office so that nvda will read the texts typed in the cells again.
I tried to reinstall the nvda but it did not work.
I tried installing a previous version of nvda 2018.1 more unsolvable.
I tried to repair the oficce more also not solve.
The problem only resolved after you completely removed the office and re-installed the office.
Windows version:
windows 10 16299.309

Name and version of other software in use when reproducing the issue:
office 2016

Other questions:

Does the issue still occur after restarting your PC?
yes
Have you tried any other versions of NVDA?

Please list them and the result
2018.1