Question, can malware get into the Outlook app, it it infect the phone?

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Question, can malware get into the Outlook app, it it infect the phone?
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Network Administrator
Commented:
"Get into the app"  probably not...  Open an email that infects the phone... Possibly, especially if you have the phone to allow outside apps...
timgreen7077Exchange Engineer
Distinguished Expert 2018
Commented:
yes malware can be delivered via email to the outlook app, but the malware itself may not be designed to infect the the mobile version of the outlook app, but may infect you PC if you open the infect attachment or something on your pc. Malware on mobile devices and mobile device apps are rare but can happen. Just note that malware developed for mobile devices and PC are different. The actual outlook mobile app itself will most likely not get infected with the malware but the mobile device can be infected but again that is rare.
Tim is correct.  Generally (everything related to malware has caveats), malware that is sent via email is not designed to infect mobile devices.  There are of course some fairly dangerous ones that will download something akin to the locker malware strain on phones.  Also, you should be wary of using anything that displays the full email on your computer (on the computer never, I repeat, NEVER have the reading pane open in outlook.  Having the reading pane displayed, although very handy, is the same exact thing as opening the email.  Since opening an email CAN infect your computer (especially windows based computers), having the Outlook reading Pane displayed is just asking for trouble.
btanExec Consultant
Distinguished Expert 2018
Commented:
yes possible to get through via the outlook app which has vulnerability or a compromised online valid account of the apps. For example, the apps can sent many emails from the account, served through Office 365 email service. An mass email threat and account in which this can happen is an Office 365 account. Here is one reported case
The sent emails all contain the same message but were sent to all emails that I ever received, sent, cc'ed and bcc'ed from my company's account. With regards to the 2000 emails being in the sent folder, they are not. The malware that infected the phone has a routine of deleting everything in the sent and inbox folders, but I managed to recovered all my information from the backup of the deleted email folder.... It seems that there is vulnerability in the app that a certain malware is exploiting.  
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Commented:
Thank you all.

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