Hi @Sree ,
Outlook searching email is missing from 2017 to 2020
According to your description, do you mean that only the emails from 2017-2020 are not displayed?
What about emails order than 2017?
If the emails order than 2017 are also not displayed, it is recommended to check the offline settings:
(1) Click File > Account Settings > Account Settings.
(2) On the Email tab, select your email account and click Change.
(3) Drag the Download email for the past: slider to the desired amount of time or to the far right to All.
In addition, verify Indexing is complete:
(1) Start Outlook and click in the Search box.
(2) Select Search Tools > Indexing Status from the Search menu.
(3) When the Indexing Status dialog appears, you should see the following:
If Outlook has not finished indexing, note the items remaining to be indexed, wait five minutes, and then check again.
If the issue continues, try creating a new Outlook profile.
Control Panel > Mail > Show Profiles > Add
Add your account and see if the new Outlook profile works.
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