# Programming WebAssembly with Rust: Cannot open .epub file on mac books app

**URL:** <https://forum.devtalk.com/t/programming-webassembly-with-rust-cannot-open-epub-file-on-mac-books-app/49702>\
**Category:** PragProg Customers\
**Tags:** wasm, book-programming-webassembly-with-rust\
**Created:** [12 April 2022 12:27 UTC](https://forum.devtalk.com/t/programming-webassembly-with-rust-cannot-open-epub-file-on-mac-books-app/49702 "2022-04-12T12:27:56Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Gen](https://forum.devtalk.com/user_avatar/forum.devtalk.com/gen/32/2941_2.png) [@Gen](https://forum.devtalk.com/u/Gen)\
**Post date:** [12 April 2022 12:27 UTC](https://forum.devtalk.com/t/programming-webassembly-with-rust-cannot-open-epub-file-on-mac-books-app/49702/1 "2022-04-12T12:27:56Z")

</div>

Hi!  
Bought this book yesterday but opening the .epub file seems to do nothing.  
I’ve tried other books purchased from PragProg and everything else is readable.

Anyone else having the same issue?

---

<div class="post-metadata">

**Author:** ![Erica](https://forum.devtalk.com/letter_avatar_proxy/v4/letter/e/9dc877/32.png) [@Erica](https://forum.devtalk.com/u/Erica)\
**Post date:** [12 April 2022 14:07 UTC](https://forum.devtalk.com/t/programming-webassembly-with-rust-cannot-open-epub-file-on-mac-books-app/49702/2 "2022-04-12T14:07:11Z")

</div>

We’re sorry to hear about your difficulties with the epub. Please drop an email to [support@pragprog.com](mailto:support@pragprog.com) so we can try to help you with this.

---

<div class="post-metadata">

**Author:** ![Gen](https://forum.devtalk.com/user_avatar/forum.devtalk.com/gen/32/2941_2.png) [@Gen](https://forum.devtalk.com/u/Gen)\
**Post date:** [18 April 2022 15:15 UTC](https://forum.devtalk.com/t/programming-webassembly-with-rust-cannot-open-epub-file-on-mac-books-app/49702/3 "2022-04-18T15:15:17Z")

</div>

I’ve downloaded the .epub and this time it’s working.  
Thanks, this issue is resolved 😄 .