# Change index field type

**URL:** <https://discuss.elastic.co/t/change-index-field-type/90653>\
**Category:** Elasticsearch\
**Created:** [June 23, 2017, 2:37pm UTC](https://discuss.elastic.co/t/change-index-field-type/90653 "2017-06-23T14:37:51Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Vito\_Lipari](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vito_lipari/32/19478_2.png) [@Vito\_Lipari](https://discuss.elastic.co/u/Vito_Lipari)\
**Post date:** [June 23, 2017, 2:37pm UTC](https://discuss.elastic.co/t/change-index-field-type/90653/1 "2017-06-23T14:37:52Z")

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Hi to every body,  
I create an index and i would change a field type ( from string to date ).  
How can i solve this problem?

_Sorry for my english_

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**Author:** ![Rory](https://avatars.discourse-cdn.com/v4/letter/r/a183cd/32.png) [@Rory](https://discuss.elastic.co/u/Rory)\
**Post date:** [June 23, 2017, 3:23pm UTC](https://discuss.elastic.co/t/change-index-field-type/90653/2 "2017-06-23T15:23:57Z")

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You will need to reindex your data. Check out: [https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-reindex.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-reindex.html)

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 21, 2017, 3:24pm UTC](https://discuss.elastic.co/t/change-index-field-type/90653/3 "2017-07-21T15:24:04Z")

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