How to Move Contacts From Classic Outlook to New Outlook

Moving from Classic Outlook to New Outlook can be confusing when your email appears normally but your contacts or calendar appointments do not. Although New Outlook can add many existing email accounts and import certain settings, contacts and calendar items stored locally in Classic Outlook may require a separate transfer.

This guide explains how to move contacts from Classic Outlook to New Outlook, transfer calendar appointments, and fix common problems such as empty contact records or contacts that appear in People but not when you click the To button.

Before making any changes, keep Classic Outlook installed and create a backup of your Outlook data. Do not delete the original contacts, calendar, or Outlook data file until you have confirmed that everything transferred correctly.

The steps below show you how to move contacts from Classic Outlook to New Outlook while keeping the original information available as a backup.

Why Didn’t My Contacts and Calendar Transfer Automatically?

Email, contacts, and calendars are not always stored in the same place. Where your information is stored depends on the type of email account you used in Classic Outlook.

With a Microsoft 365, Exchange, Outlook.com, or Hotmail account, contacts and calendar appointments are normally stored online and should reappear after the correct account finishes syncing.

Gmail, Yahoo, AOL, and other accounts may be connected through IMAP. IMAP primarily synchronizes email folders and messages. Contacts and calendar items may be stored with the email provider, in a different account, or locally inside an Outlook Data File on the computer.

This is why switching to New Outlook can appear successful while leaving the People and Calendar sections empty. Importing your Classic Outlook settings does not necessarily move locally stored contacts or calendar appointments.

Before transferring anything, determine which account or Outlook data file currently contains the missing information. This helps prevent contacts from being imported into the wrong account.

Before You Start: Find Where Outlook Stores Your Information

Open Classic Outlook before switching completely to New Outlook. You need to confirm which mailbox or Outlook Data File contains the contacts and calendar you want to transfer.

Check the Contacts

1. Open Classic Outlook.
2. Select the People icon.
3. Look at the folders listed under My Contacts.
4. Select each Contacts folder and confirm which one contains the correct names and email addresses.
5. Write down the email account or Outlook Data File associated with that folder.

Check the Calendar

1. Select the Calendar icon in Classic Outlook.
2. Review the calendars listed in the left column.
3. Turn the calendars on one at a time to identify which one contains your appointments.
4. Write down the account or Outlook Data File associated with the correct calendar.

Check the Outlook Data Files

In Classic Outlook, select File → Account Settings → Account Settings → Data Files. This screen shows the Outlook Data Files connected to the profile and identifies the default data file.

If the correct contacts or appointments appear under Outlook Data File, Personal Folders, or This Computer Only, they may be stored locally instead of in the online email account. Those items should be backed up and transferred separately.

How to Export Contacts From Classic Outlook

The most reliable way to move contacts from Classic Outlook to New Outlook is to export the correct Contacts folder as a CSV file.

1. Open Classic Outlook.
2. Select File → Open & Export → Import/Export.
3. Choose Export to a file, and then select Next.
4. Choose Comma Separated Values, and then select Next.
5. Select the Contacts folder that contains the correct contacts.
6. Select Next.
7. Choose a location you can easily find, such as the Desktop or Documents folder.
8. Give the file a clear name, such as Classic-Outlook-Contacts.csv.
9. Select Finish.

To move contacts from Classic Outlook to New Outlook successfully, make sure you export the Contacts folder that contains the names and addresses you actually use.

If more than one Contacts folder appears, make sure you export the folder you identified earlier. Selecting an empty or outdated Contacts folder is a common reason an imported contact list contains missing or incorrect information.

Keep the CSV file as a backup until you have confirmed that every important contact appears correctly in New Outlook.

You can also review Microsoft’s official instructions for importing and exporting Outlook contacts

How to Import Contacts Into New Outlook

After exporting the contacts, open New Outlook and import the CSV file into the account you want to use for contacts.

1. Open New Outlook.
2. Select People from the left navigation bar.
3. Select the email account where you want the contacts stored.
4. Select Manage contacts → Import contacts.
5. Select Browse.
6. Choose the CSV file exported from Classic Outlook.
7. Select Import.
8. Wait for the import to finish, and then review the contacts in People.

Choosing the correct destination account is important. If you have several accounts in New Outlook, importing the contacts into one account does not necessarily make them part of another account’s address book.

Open several imported contacts and check the name, email address, telephone number, and other important fields. Do not assume a successful import message means every field was transferred correctly.

Why Did Outlook Import Empty or Incomplete Contacts?

Empty or incomplete contacts usually indicate a problem in the CSV file—not that the original contacts have disappeared.

Common causes include:

• The wrong Contacts folder was exported from Classic Outlook.
• The original folder contained old or partially completed contact records.
• The CSV column headings were changed or do not match the fields New Outlook expects.
• Contact information was stored in custom Outlook fields that New Outlook did not recognize.
• Blank rows or damaged records were included in the exported file.
• The CSV file was edited and saved in an incompatible format.

Before importing the file again, open a copy of the CSV file in Excel or another spreadsheet program. Check that each person occupies one row and that the important information appears under appropriate headings such as First Name, Last Name, and E-mail Address.

Remove completely empty rows and records that contain no useful contact information. Preserve the original column headings whenever possible, and save the cleaned file as CSV UTF-8 (Comma delimited).

If the first import created hundreds of empty or duplicate contacts, delete those imported records before importing the corrected file. Always keep the untouched original export as a backup.

Why Do Contacts Appear in People but Not in the To Field?

Sometimes imported contacts appear correctly in People, but clicking the To button in a new email shows an empty list. This does not always mean the contacts were imported incorrectly.

Try the following:

1. Create a new email and begin typing the person’s name or email address directly in the To field.
2. Confirm that the contact appears in People under the same account used to compose the message.
3. Open the contact and verify that the email address is stored in an email-address field—not in Notes or another field.
4. Close and reopen New Outlook to allow the contact list to refresh.
5. Sign in to the account through its webmail site and check whether the contacts appear there.

The suggestions shown while typing an address are not always the same as the full contact list. Outlook may also suggest people from previous messages even when they are not saved contacts.

If contacts appear in People but remain unavailable when composing messages, the problem may involve account selection, synchronization, incorrectly mapped CSV fields, or New Outlook’s contact picker. Avoid repeatedly importing the same CSV file because this can create duplicates without correcting the underlying problem.

How to Transfer a Calendar From Classic Outlook to New Outlook

If the calendar belongs to a Microsoft 365, Exchange, Outlook.com, or Hotmail account, first allow time for it to synchronize. Calendar appointments stored online should normally appear after the correct account is added.

If the appointments are stored only in a local Outlook calendar, you can export them as an ICS file:

1. Open Classic Outlook.
2. Select Calendar.
3. Select the calendar containing the appointments you want to transfer.
4. Select File → Save Calendar.
5. Choose a location and enter a name for the calendar file.
6. Select More Options.
7. Set the date range to include the appointments you need.
8. Choose Full details if you want descriptions and other available information included.
9. Select OK, and then select Save.

To import the calendar:

1. Open the Calendar section in New Outlook.
2. Select Add calendar.
3. Select Upload from file.
4. Browse to the ICS file you created.
5. Choose the calendar where the appointments should be added.
6. Select Import.

An imported ICS file is a one-time copy. Changes made later to the original Classic Outlook calendar will not automatically update the imported calendar. Review recurring appointments, reminders, time zones, and meeting details after the import.

You can also review Microsoft’s official instructions for importing and exporting Outlook contacts

Can New Outlook Open a Classic Outlook PST File?

New Outlook can open certain Outlook Data Files, but adding a PST file is not the same as fully importing everything into the new account.

To check for PST support in New Outlook, go to:

Settings → Files → Outlook Data Files → Add file

Select the PST file and choose Open.

Microsoft currently requires Classic Outlook to remain installed when opening a PST file in New Outlook. Both versions must also use the same architecture—either 32-bit or 64-bit.

PST support in New Outlook is still more limited than in Classic Outlook. Being able to open and search email in a PST file does not guarantee that locally stored contacts and calendar items will automatically become part of the New Outlook People and Calendar sections.

For contacts, a CSV export and import is generally easier to verify. For calendar appointments, an ICS export and import provides a clearer transfer into the selected calendar.

Do not remove Classic Outlook or delete the original PST file until you have verified the email, contacts, and calendar information you need.

Common Mistakes to Avoid During the Transfer

A careful transfer can prevent missing information, duplicates, and hours of unnecessary cleanup. Avoid these common mistakes:

• Deleting Classic Outlook too soon: Keep it installed until everything has been checked in New Outlook.
• Exporting the wrong Contacts folder: Outlook profiles may contain several contact folders, including empty or outdated ones.
• Importing contacts into the wrong account: Confirm the destination account before starting the import.
• Importing the same CSV repeatedly: Multiple imports can create duplicate contacts without solving a field-mapping problem.
• Editing the only copy of the CSV file: Keep the original export untouched and edit a separate copy.
• Assuming IMAP synchronizes everything: IMAP primarily handles email and may not move locally stored contacts or calendars.
• Deleting the original PST file: Keep the Outlook Data File as a backup until the transfer has been fully verified.
• Failing to inspect the results: Open several contacts and calendar appointments to confirm names, email addresses, telephone numbers, dates, reminders, and recurring events.

The safest approach is to transfer one type of information at a time. Complete and verify the contacts before moving to the calendar. Taking a few minutes to verify each step makes it much safer to move contacts from Classic Outlook to New Outlook without losing important information or creating unnecessary duplicates.

Switching versions of Outlook? Read my guide explaining how to move contacts from Classic Outlook to New Outlook and transfer your calendar safely.

Need Help Moving Your Outlook Contacts and Calendar?

Moving from Classic Outlook to New Outlook is not always as simple as turning on the new version. Contacts may be stored in the wrong folder, calendar appointments may exist only in a local data file, and an incorrectly formatted CSV can create empty or duplicate records.

I provide one-on-one remote email help with Outlook contact transfers, calendar migrations, CSV cleanup, missing contacts, account setup, and other Outlook problems.

Remote Email Help is $49.99 flat rate. There is no hourly meter, membership, or subscription. If I can’t fix the problem, you don’t pay.

Help is available nationwide from the comfort of your home.

Frequently Asked Questions

Does New Outlook automatically transfer contacts from Classic Outlook?

Not always. Contacts stored online in a Microsoft account may synchronize automatically. Contacts stored locally in Classic Outlook or in an Outlook Data File may need to be exported as a CSV file and imported into New Outlook.

Why did my email transfer but not my contacts or calendar?

Email may be synchronized through IMAP or another mail server while contacts and calendar appointments are stored somewhere else. They may be connected to a different online account or saved locally in an Outlook Data File.

Can I import a PST file directly into New Outlook?

New Outlook can open certain PST files, but its PST support is more limited than Classic Outlook. Opening a PST file does not necessarily transfer its contacts and calendar items into the New Outlook People and Calendar sections.

Why are my contacts visible in People but missing from the To field?

The contacts may be stored under a different account, their email addresses may have imported into the wrong fields, or the contact picker may not have refreshed. Try typing a contact’s name directly into the To field and verify the contact’s email-address field in People.

Can importing contacts more than once create duplicates?

Yes. Repeatedly importing the same CSV file can create duplicate contacts. Correct any problems in a separate copy of the CSV file and remove an unsuccessful import before trying again.

Should I uninstall Classic Outlook after switching?

Not immediately. Keep Classic Outlook installed and retain the original PST and export files until you have confirmed that your email, contacts, calendar appointments, and important details are available in New Outlook.