Missing Contacts - Microsoft Community

running microsoft 365 on exchange.  have been using outlook contact list on 15 years, several hundred contacts.  today have 10 contacts, others have disappeared.  running windows 10 , have windows phone.

i have carbonite there should backup, not familiar process of restoring pst file.

hi gary,

 

if have backup, can refer outlook 2016 , 2013: import outlook items .pst file part in article below import pst file office 365 account via outlook client:
https://support.office.com/en-us/article/import-email-contacts-and-calendar-from-an-outlook-pst-file-431a8e9a-f99f-4d5f-ae48-ded54b3440ac

note: select replace duplicates items imported @ step 5.

 

feel free let know if need further assistance process.

 

regards,

larry

Office / Outlook / Windows 10 / Office 365 for business