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Step 3: Import Your Spreadsheet into Marketo

In My Tradeshow Program, click New and select New Local Asset.
Click List.
Name the list "Tradeshow Attendees" and click Create.
In your Tradeshow Attendees list, click List Actions and select Import List.

Marketo caution

If you are using your own CSV file, make sure that it is encoded UTF-8, UTF-16, Shift-JIS, or EUC-JP.

Marketo note

The size limit for CSV files is 100MB.


Browse to the tradeshow-attendees.csv spreadsheet file on your computer and click Next.


Marketo note

In List Import Mode, choosing Skip new people and updates means you will not impact existing person records or log any activities. Use this mode if you want a quick, pre-filtered static list of existing people for use in your marketing activities. Selecting this mode will:

  • Skip new person creation

  • Skip person field updates

  • Skip activity logging


Map your List Column fields to their respective Marketo Field and click Next.


Marketo tip

Notice email is not mapped properly? That's because the field in Marketo is called Email Address and the spreadsheet had Email as a column header. Column headers need to Column headers should always match the field exactly (case sensitive) in order for to achieve the best auto-mapping to workresults. If you're using custom fields and don't see them in the drop-down, go back and create them so they can become options.

Marketo note

If there are any fields you don't want to import, select Ignore in the Marketo Field drop-down menu.


Select My Tradeshow Program for the Acquisition Program, then click Import.
Wait for your people to import, then close the import progress pop-up.
Back in My Tradeshow Program, click the Members tab. You'll see all the people you just imported.