Why did I lost my email

[Alain_A]

For some reason I had to re - entered all my email into the stock email app.

Why it did disappear?

Sent from my SM-N900W8 using AC Forums mobile app

 

[dancing-bass]

I would guess you somehow deleted the data for the email app. This would erase any email accounts and associated data from the app. You may have done it by accident or by using a cleaner app (such as Clean Master or something similar) that make it easy to clear app's cached data and (if you're not careful) the app data as well.

 

[Alain_A]

I installed all in one gesture then uninstalled it.
After that I realized the mail gone. Plus I don't have access to the active application from home button anymore

Sent from my SM-N900W8 using AC Forums mobile app

 

[Alain_A]

It says UI stopped working

Sent from my SM-N900W8 using AC Forums mobile app

 

[Alain_A]

again all my email disappeared from my phone from the stock email app.
I have not touch a thing........