# Can i use .pfx file instead of .key & ,pem **URL:** \ **Category:** Beats\ **Tags:** winlogbeat\ **Created:** [June 9, 2019, 2:55pm UTC](https://discuss.elastic.co/t/can-i-use-pfx-file-instead-of-key-pem/184880 "2019-06-09T14:55:49Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![PraveenKT](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/praveenkt/32/35483_2.png) [@PraveenKT](https://discuss.elastic.co/u/PraveenKT)\ **Post date:** [June 9, 2019, 2:55pm UTC](https://discuss.elastic.co/t/can-i-use-pfx-file-instead-of-key-pem/184880/1 "2019-06-09T14:55:49Z")
To secure the communication between winlogbeat and elk stack i am using .pem, key & ca certificate. Can i use single .pfx instead of .key, .pem & CA files ? ---
**Author:** ![andrewkroh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/andrewkroh/32/3784_2.png) [@andrewkroh](https://discuss.elastic.co/u/andrewkroh)\ **Post date:** [June 10, 2019, 3:53pm UTC](https://discuss.elastic.co/t/can-i-use-pfx-file-instead-of-key-pem/184880/2 "2019-06-10T15:53:02Z")
No, reading PKCS12 data is not supported by Beats. ---
**Author:** ![PraveenKT](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/praveenkt/32/35483_2.png) [@PraveenKT](https://discuss.elastic.co/u/PraveenKT)\ **Post date:** [June 10, 2019, 5:32pm UTC](https://discuss.elastic.co/t/can-i-use-pfx-file-instead-of-key-pem/184880/3 "2019-06-10T17:32:54Z")
Thank you for the reply. Is there any plans in future to support PKCS12 data (pfx). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 8, 2019, 5:33pm UTC](https://discuss.elastic.co/t/can-i-use-pfx-file-instead-of-key-pem/184880/4 "2019-07-08T17:33:09Z")
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