1. sethm1's Avatar
    On Verizon and this am my phone updated to Oreo.
    But now there is an icon in the upper ‘tray’ that Exchange using battery. Googled this but did not seem to find anything of recent.

    I do not use Outlook, but do use Gmail.

    Can I disable or uninstall the Exchange if the phone lets me?
    03-09-2018 01:51 PM
  2. NationalTrust's Avatar
    I notice the same thing after the update.
    03-09-2018 02:11 PM
  3. sethm1's Avatar
    Im also wondering if the Fast Charging not as fast as in 7.2.1.
    03-09-2018 02:23 PM
  4. atvguy7's Avatar
    On Verizon and this am my phone updated to Oreo.
    But now there is an icon in the upper ‘tray’ that Exchange using battery. Googled this but did not seem to find anything of recent.

    I do not use Outlook, but do use Gmail.

    Can I disable or uninstall the Exchange if the phone lets me?
    Open the Settings app
    Press”Apps and notifications”
    Press”All apps”
    Press the three-dot menu in the top right
    Press “Show system”
    Scroll down and press “Android System”
    Press “App notifications”
    Switch the toggle next to “Apps using battery”
    03-09-2018 04:51 PM
  5. NationalTrust's Avatar
    Open the Settings app
    Press”Apps and notifications”
    Press”All apps”
    Press the three-dot menu in the top right
    Press “Show system”
    Scroll down and press “Android System”
    Press “App notifications”
    Switch the toggle next to “Apps using battery”
    That will turn off the notification, but I don't have Exchange downloaded. ( Not in all apps)
    03-09-2018 07:11 PM
  6. sethm1's Avatar
    Thanks. Icon gone.
    03-09-2018 07:18 PM
  7. UnklJoe's Avatar
    what is the exchange app, why do I need it, and what causes it to use "excessive" battery and issue the warning?
    05-22-2018 10:42 PM
  8. jasoncoon's Avatar
    From what I read is that Google has included the Exchange service in the embedded email and Gmail apps as a option to connect to Exchange or Office 365 email accounts using these email apps. So I don't think its something that can be uninstalled (maybe disabled) but turning off the notifications is a good start, not ideal, but a good start nonetheless.
    05-23-2018 01:26 PM
  9. Rukbat's Avatar
    There are 3 (well, 2 + infinite) email protocols - POP3 is the oldest one. Emails are kept on the server. Delete one and it's gone. Then came IMAP. Emails are kept in the email program. Delete one and it's gone in that program, but if you use an email program on your desktop, on in your laptop and an app in your phone, deleting it on one won't delete it on the others.

    Then there's Exchange. That's Microsoft's email server. It doesn't use POP3, it doesn't use IMAP, it uses its own proprietary protocol (as does just about everything Microsoft makes). You need a different email app to access that and, so far, a lot of people have written a lot of apps for it, some of which have worked pretty well, some of which hardly worked. It seems that Google has added an Exchange API to the suite of email APIs in Android.

    (The reason I said infinite is that you can set Exchange Server up to do almost anything, so any administrator can break the ability of any program to access an Exchange server - even the full version of Outlook running in Windows. Following the manual works, but some companies want to change little things, so you can never tell if an Exchange [or Outlook] app that's been working will continue to work if someone makes a change at the server.)
    Laura Knotek likes this.
    05-24-2018 12:54 PM
  10. Buddy1969's Avatar
    Exchange was one of the first mail protocols that allowed push mail.
    So if you have a mailaccount using exchange, check if you have activated push and try to set it to, say, 15 or 30 minutes interval. Check if it still needs as much power.
    06-04-2018 09:20 AM

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