Written by Allen Wyatt (last updated July 17, 2025)
This tip applies to Word 2007, 2010, 2013, 2016, 2019, 2021, 2024, and Word in Microsoft 365
When working with text files, you may want to add information to an existing file, rather than creating a new text file from scratch. To do this, all you need to do is open the file for Append rather than Output. The following code shows this process:
Open "MyFile.Dat" For Append As #1 For J = 1 to NewValues Print #1, UserVals(OrigVals + J) Next J Close #1
When the file is opened for Append mode, any new information is added to the end of the file, without disturbing the existing contents.
Make sure you use this only on non-document text files, however. If you attempt this on a document file (meaning you change "MyFile.Dat" to something like "MyFile.Doc", and that is an existing document file), then there is a very real chance that the document will be corrupted and you will not be able to read it in Word any more.
Note:
WordTips is your source for cost-effective Microsoft Word training. (Microsoft Word is the most popular word processing software in the world.) This tip (11138) applies to Microsoft Word 2007, 2010, 2013, 2016, 2019, 2021, 2024, and Word in Microsoft 365. You can find a version of this tip for the older menu interface of Word here: Appending to a Non-Document Text File.
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