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Attaching a large comma-separated variable file as a mail merge data source is very slow
Article ID: 286901 - View products that this article applies to.
This article was previously published under Q286901
When you use a comma-separated variable (CSV) file as the data source for a mail merge in Microsoft Word, you find that an inordinate amount of time is required for Word to attach and process the data.
To work around this behavior, import the CSV data file into a Microsoft Excel worksheet, and then use the worksheet file as the data source for your mail merge. To do this, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.