# Pkg error ...HELP

**URL:** https://discourse.julialang.org/t/pkg-error-help/36562
**Category:** General Usage
**Created:** [March 26, 2020, 6:15pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562 "2020-03-26T18:15:37Z")
**Posts on this page:** 7
**Page:** 1

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### Author: ![mayar](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mayar/32/16426_2.png) [@mayar](https://discourse.julialang.org/u/mayar)
#### Post date: [March 26, 2020, 6:15pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/1 "2020-03-26T18:15:37Z")

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hello guys,

I am writing using Pkg but it gets a red underline  
What should I install or do to fix this error  
 ![p2](https://global.discourse-cdn.com/julialang/original/2X/f/f7d85aa6a173d20c9981fa6e0e035f7ce045c6d7.png)

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### Author: ![Iulian.Cioarca](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/iulian.cioarca/32/30166_2.png) [@Iulian.Cioarca](https://discourse.julialang.org/u/Iulian.Cioarca)
#### Post date: [March 26, 2020, 6:28pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/2 "2020-03-26T18:28:57Z")

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Did you save your file as `.jl`?

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<div class="post-metadata">

### Author: ![mayar](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mayar/32/16426_2.png) [@mayar](https://discourse.julialang.org/u/mayar)
#### Post date: [March 26, 2020, 6:39pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/3 "2020-03-26T18:39:58Z")

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Thanks alot

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<div class="post-metadata">

### Author: ![mayar](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mayar/32/16426_2.png) [@mayar](https://discourse.julialang.org/u/mayar)
#### Post date: [March 26, 2020, 6:43pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/4 "2020-03-26T18:43:47Z")

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![p22](https://global.discourse-cdn.com/julialang/original/3X/7/d/7db06fe0b18e157e1cf6e9f127dac39e29c80121.png)

Why do I get CSV not defined here ?

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<div class="post-metadata">

### Author: ![Iulian.Cioarca](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/iulian.cioarca/32/30166_2.png) [@Iulian.Cioarca](https://discourse.julialang.org/u/Iulian.Cioarca)
#### Post date: [March 26, 2020, 6:49pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/5 "2020-03-26T18:49:10Z")

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Usually you `add` your packages in the REPL:

```julia
julia> using Pkg
julia> Pkg.add("CSV")

```

And then, in your file where you want to read the data, you write:

```julia
using CSV
CSV.read("etc.csv")

```

Please check:  
[https://docs.julialang.org/en/v1/stdlib/Pkg/index.html](https://docs.julialang.org/en/v1/stdlib/Pkg/index.html)

You can also add packages in different environments, but that’s another story.

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<div class="post-metadata">

### Author: ![mayar](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mayar/32/16426_2.png) [@mayar](https://discourse.julialang.org/u/mayar)
#### Post date: [March 26, 2020, 6:55pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/6 "2020-03-26T18:55:52Z")

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Can you please send me a good link for how to get starting with reading and procession data in excel files with julia

I need to get information out of the data here

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<div class="post-metadata">

### Author: ![Iulian.Cioarca](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/iulian.cioarca/32/30166_2.png) [@Iulian.Cioarca](https://discourse.julialang.org/u/Iulian.Cioarca)
#### Post date: [March 26, 2020, 7:10pm UTC](https://discourse.julialang.org/t/pkg-error-help/36562/7 "2020-03-26T19:10:04Z")

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I saw you had a `.csv` file in the example. Although `.csv` files can be opened in Excel, I suggest doing the reading/processing in Julia, using [CSV](https://github.com/JuliaData/CSV.jl)  
If you have `.xlsx` files, then you can read them with [XLSX](https://github.com/felipenoris/XLSX.jl)