My name is***** am sorry to hear that you are having this issue.
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Try these steps please.
Yes you can use the contacts stored locally on your iPhone, but you must first sync them to iCloud. To learn more on how to do this, click here.
Once your contacts are synced to iCloud, add your iCloud account to the Outlook app and your contacts will be synced in the ‘People’ tab on the bottom bar of the Outlook app.
The 'People' tab is the address book for the Outlook app.
Sorry about that> https://support.apple.com/en-us/HT204150
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