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Editorial Team
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Asked: 2026-05-15T18:50:49+00:00

I’d like to introduce a feature in my iPhone App that allows the following:

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I’d like to introduce a feature in my iPhone App that allows the following:
1) creating and sending by email a CSV file from within my iPhone App.
2) importing into my iPhone App a CSV file created with 3rd party software and sent to me by email.

These are the questions:
1a) Is it possible to actually create a CSV file from within the App and send it as an attachment? I know I can send an email containing all the strings required, but I want to be able to send the actual file.
1b) Once created, can this file be stored into the memory allocated to my iPhone App?
2) What procedure should I follow to import a CSV file into my App? I do not want to read the CSV file from a URL.
Can all this be done with the iPhone or not??

Thanks!

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1 Answer

  1. Editorial Team

    1a) Yes, you can use the addAttachmentData:mimeType:fileName: method on an instance of the MFMailComposeViewController class to do that.

    1b) Yes, you can write the NSString containing the CSV data to a file using the writeToFile:atomically:encoding:error: method.

    2) Yes, in iOS 4 you can subscribe your app to certain file types, go here for more detailed information.

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