With more than 10 million daily active users, there’s no question that Slack is one of the most popular team-messaging apps on the market. It’s no wonder, then, that it integrates with cloud storage services. It’s a match made in heaven, so we’re going to list the best cloud storage for Slack.

The services that don’t integrate with Slack — even those on our best cloud storage comparison — require you to log in to your cloud storage account, create a sharing link and copy-and-paste it into Slack. It’s not so bad, but Slack integration makes your work experience easier, and if it makes it just a bit easier, it’s worth it in the long run.

If you’d like to utilize the full potential of the cloud for your work, you should read our explanation of how cloud storage and collaboration go hand in hand. 

When you’re done with that, consult our best cloud storage for collaboration roundup for services that have great collaboration options. Additionally, if you’re an enterprise-level business, consult our best EFSS list for some ideas.

Still, if your emphasis is on Slack, you’re in the right place. Slack integration lets you attach files directly to Slack channels without having to switch to a cloud storage service. Plus, in most cases, you can even add files to Slack from cloud storage web clients.

If you don’t need Slack integration, consult our best cloud storage guide, which will help you figure out what you need. Before we list the best cloud storage for Slack, we’re going to go through the criteria we’ve used to make our choices.

Best Cloud Storage for Slack 2019

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What Makes the Best Cloud Storage for Slack

Our top criterion when compiling our rankings for cloud storage tools that work best for Slack was whether the service actually integrates with Slack. There are a couple of integration methods. The first is through the Slack app directory, and the second is from the integration library of the cloud storage service itself.

You can search the Slack library and add a cloud storage service through it so you can access your cloud storage from the comfort of your Slack channel. The other method involves you going through the integration library of your cloud storage service. When you connect with Slack, like in the case of Egnyte Connect, you can share files directly to it.

That said, Slack is a messaging tool, and even though it’s a powerful one, it can’t do everything. Because of that, services that have more collaboration features that can complement Slack get extra points.

We’re not going to disregard some of the other important factors, either, even though we’re not going to consider them as much as our primary one. 

We’ll look at how expensive the subscription plans are and how much space they offer. It’s best if a service has multiple plans because that helps you find a suitable match for your collaboration setup. If your needs are in the high end of the spectrum, though, read our best unlimited online storage providers guide.

When working and collaborating, it’s best if the service is easy to use. A straightforward and enjoyable user experience will ensure that. That involves clients that work on most operating systems and make it easy to work with online files.

Last, but certainly not least, is cloud security. It’s great if it consists of at-rest, in-transit and private encryption, which ensures the privacy of your files by having zero-knowledge security. Plus, two-factor authentication helps protect your account if someone steals your credentials.

Now that we have our criteria, let’s get to our best cloud storage for Slack picks, starting with Egnyte Connect.

The Best Cloud Storage for Slack: Egnyte Connect

Egnyte Connect is our top EFSS service and also one that’s great for overall collaboration. Because of that, it’s no wonder that it takes the first spot on this list. It used to require a minimum of five users, but now it enables you to have just one to three employees on your plan.

That said, most businesses using Slack have more than five employees. Egnyte has multiple plans that accommodate the needs of most companies and a lot of other collaboration apps.

Egnyte-connect0homepage-2019

Integrating Egnyte with Slack is easy. All you need to do is log in to the Egnyte web client and click on the tab for “apps and add-ons.” From there, find “Slack” and hit the “enable” button. 

If you’re the account admin, you can grant others the ability to add Slack, too, or add it for them. Anyway, once you integrate with Slack, you can share files directly to it.

Another way to share files from Egnyte is to access it from Slack. You can do that by giving Slack permission to access your Egnyte account. Once you do, just type “/egnyte” from a Slack channel to access commands to share content. Those include “share,” “upload & share,” “go to Egnyte” and “help.”

“Share” opens a file browser so that you can select a folder or file to share. “Upload & share” lets you share a file and save it to Egnyte in the process. Both options leave a link in the Slack channel that others can use to preview and download the content. 

Any files you upload to Slack from Egnyte Connect will be indexed and searchable. Because file changes are synchronized to Slack, users will always access the most recent file version they’re looking for.

On top of slack, Egnyte has many other productivity integrations, including native task management tools for businesses, as well as Google Docs and Microsoft Office. 

Other Reasons We Like Egnyte Connect

Egnyte Connect has Team and Business Plans. The Team plan is suitable for one to three employees and is $10 per employee per month. 

There are three Business plans, including Office, which lets you accommodate up to 25 users for $8 per employee per month, Business, which allows for up to 100 users for $20 per employee per month, and Enterprise, which can have unlimited employees.

Egnyte is straightforward and easy to use on desktop, web and mobile. That said, the desktop clients work on Windows and macOS, but not Linux. If you want Linux support, read our best cloud storage services for Linux guide. However, its mobile apps work on iOS and Android.

When it comes to security, Egnyte Connect uses AES 256-bit encryption, but it can’t qualify as private because Egnyte decrypts your files to read their metadata for indexing and to speed up the user experience, and then encrypts them again.

That’s normal for EFSS services, but if you want to avoid that, use Boxcryptor. The TLS protocol protects your files in transit (read our SSL vs. TLS comparison to learn about these different protocols).

Egnyte has great Slack integration capabilities, many apps that enhance your collaboration, great value plans for businesses and strong security. Thanks to that, it’s our top pick for this list. If you want to learn more about it, read our Egnyte Connect review.

Pros:

  • Strong Slack integration options
  • Affordable pricing
  • Office Online & Google Docs integration
  • Good third-party app library

Cons:

  • No Linux support
Starts from $ 800 per month

Google Drive

Google Drive has more than 800 million users, and so many users require different integrations. Because of that, Google Drive delivers one of the largest integration libraries we’ve seen. Slack is, of course, included in it.

It’s easy to integrate Google Drive with Slack. All you have to do is click Slack’s “+ add apps” link from the left sidebar. That will open the app browser, which shows Google Drive.

Next, click the “install” button next to it. That will show the Google Drive integration page, which has the “add configuration button.” After you click it, you then need to click the “add Google Drive” button.

The final window requires you to give Slack permission to access and make changes to Google Drive. You’ll then be able to share Google Drive files to any Slack channel with relative comfort.

Slack also lets you create and share Google Docs, Slides and Sheets directly from the Slack interface. On top of that, Slack lets you reply directly to comments on your Google Drive files, find your files, and get updates about your files and new shares.

Like with Egnyte, you can add Slack directly from the Google Drive app library. Hit the “new” button in the upper-left corner, hover over “more,” then click “connect more apps” and find Slack.

However, this is not a true extension, but only a bookmark to the Slack website.

Other Reasons We Like Google Drive

Google Drive has a flexible subscription scheme and plans with good value. The cheapest plan gets you 100GB for $1.99 per month, the next one is $2.99 per month for 200GB, although the best value plan is $9.99 per month for 2TB. All three are discounted if you pay for the year. Other plans give up to 30TB of space, but they’re not cheap.

Google’s privacy isn’t great due to the fact that it scans your emails to give you personalized ads, as well as its connection to the PRISM project. That said, at least it uses AES 128-bit encryption to scramble your files and two-factor authentication to protect your credentials.

Google Drive lets you share files, get updates about them, comment and create Google Office suite files, all from within Slack. On the other hand, you can’t share files directly from Google Drive to Slack, which is why we ranked it below Egnyte Connect. Still, if you want to see what more Google Drive has to offer, read our Google Drive review.

Pros:

  • Powerful options from Slack
  • Google Office Suite integration
  • Many third-party apps

Cons:

  • Can’t share directly to Slack
  • Weak privacy
Starts from $ 167 per month for 100 GB
Free plan available Save 16 %

Dropbox

Similar to Google Drive, Dropbox, which has more than 500 million users, is one of the most popular cloud storage services on the market. That said, unlike its business counterpart, the personal version doesn’t have many app integrations, which you can read about in our Dropbox Business review. It does integrate with Slack, though, which is why it made this list.

You can integrate Dropbox to Slack similar to Google Drive, but in the end, you’re referred to Dropbox’s site to finish the integration. Once you land on it, you need to click the “connect to Slack” button, which will require you to log in, unless you already are. After this, click the button again and give Dropbox the required permissions.

After that, you can click the attachment button next to the message bar in Slack to add a file or preview from Dropbox. Alternatively, you can copy and paste a link from Dropbox or share files directly to Slack.

Dropbox can’t match the app toolbox you get with Egnyte or Google Drive. Rather, you have to subscribe to Dropbox Business to get the most out of it as a collaboration tool.

Other Reasons We Like Dropbox

Dropbox is easy to use, and its desktop clients work on Linux, macOS and Windows. The web client has the same features, and it’s clear, straightforward and fast. The same goes for the mobile app, which works on Android and iOS. 

It lets you automatically backup your photos and videos, scan documents, make files available offline and access Dropbox Paper. If Dropbox Paper is new to you, you can learn more about it in our Dropbox Paper review.

As you can read in our Dropbox review, it uses both AES 256-bit to scramble your files at rest and the TLS protocol with AES 128-bit to protect your files during transfer. 

It’s unfortunate that, to extract metadata for indexing, Dropbox decrypts your files when they reach its servers and re-encrypt them afterward. Still, two-factor authentication is available at least.

Dropbox lets you share files directly to Slack, preview them in Slack without opening them and see a file’s activity on Slack. Still, it can’t match the app integration libraries of the previous entries on this list.

Pros:

  • Office Online integration
  • Dropbox Paper

Cons:

  • Not zero-knowledge
  • Not many app integrations
  • Could be more privacy-friendly
Starts from $ 825 per month for 1000 GB
Save 17 %

Box

Box is a popular service with businesses, but it also works for personal users. It integrates with Google Drive and Office Online, as well as Slack. You can subscribe to any of its plans and be able to integrate with Slack.

To integrate Slack with Box, you need to access the app library by logging into the Box web client and clicking on the profile button in the upper-right corner. Next, click on apps and search for Slack. Once you find it, click on the “add” button to connect it to your Box account.

After that, you’ll be able to right-click on any content you’ve stored in the Box cloud and perform the “share with Slack” action. You can also comment on your files and set permissions to it prior to posting it to Slack.

If you want to post to Box from Slack, you can do that, too. It works similar to adding Google Drive. You just need to add Box as an integration and give it permission to post to Slack. As with other services, Slack indexes files added from Box, so you can search for them just like any Slack message.

Other Reasons We Like Box

Box’s desktop clients work on Windows and macOS, but not Linux. Mobile apps are available for Android and iOS. The user experience across all clients is straightforward. 

The desktop client isn’t complex to use, and it’s similar to clients from other services. The web client is streamlined, which makes it easy to manage your storage while you’re away from your computer. In a similar vein, the mobile apps are user-friendly and useful if you’re on the go.

Box uses AES 256-bit to scramble your files at rest and the TLS protocol to protect them. There’s no end-to-end encryption, though. That said, single sign-on and two-factor authentication are available. On top of that, Box lets you set custom password requirements for your users.

Compared to Egnyte or Google Drive, Box has few options that work with Slack. Still, it’s a capable service and one that integrates with both Google Docs and Office Online, which is rare. If that strikes your fancy, be sure to read more about it in our Box review.

Pros:

  • Unlimited storage plan
  • Google Docs & Office Online integration
  • Great admin tools

Cons:

  • 5GB file upload max
  • Expensive personal plan
Starts from $ 1000 per month

OneDrive

OneDrive is at the tail end of this list because it lacks the web client integration for Slack. That means you can’t share files from OneDrive directly to Slack.

Instead, you can only integrate OneDrive through Slack, which lets you copy and paste links from OneDrive. You can enable this integration through the Slack app directory, just like with other services on this list. Alternatively, you can copy and paste a OneDrive file link in your Slack message box to permit the integration.

After that, you can paste files into Slack without having to grant permissions. Still, Slack doesn’t let you access and browse your OneDrive storage directly from Slack, like you can with our other picks. To add to the confusion, when you click on “OneDrive” from the “add a file” menu next to the message box, nothing happens.

Still, OneDrive is one of the few cloud storage options that integrates with Slack, and it has other features, like its integrations with Office Online and other Microsoft apps, that somehow redeem the lack of any file browsers.

Other Reasons We Like OneDrive

OneDrive lacks business features because they’re in a separate product called OneDrive for Business. However, that product doesn’t integrate with Slack. If you’d still like to know the details of it, read our OneDrive for Business review

It’s effortless to use OneDrive’s desktop client, but it works only on Windows and macOS, which isn’t a surprise considering it comes from Microsoft. The web app is simple and easy to navigate thanks to its attractive and minimalistic interface. Similarly, the mobile app works without a hitch.

OneDrive uses the TLS protocol to secure files in transit to servers and includes at-rest encryption, which scrambles your files. Its level is AES 256-bit, and it consists of BitLocker disk-level encryption and per-file encryption of customer content. OneDrive can also detect ransomware attacks and notify you via email, mobile or desktop app.

Because OneDrive lacks a file browser that can add files to Slack and doesn’t let you share from OneDrive to Slack, you’re left with the option of manually copying and pasting the links. 

Needless to say, that qualifies it to sit at the tail end of this list. That said, if you’re partial to Microsoft’s cloud service, you can learn more about it in our OneDrive review.

Pros:

  • Good value
  • Office Online for free

Cons:

  • Limited Slack integration 
  • Not many third-party integrations
Starts from $ 199 per month for 50 GB
Free plan available

Final Thoughts

Slack doesn’t integrate with many cloud storage services, so we’ve included all that are available and ranked them according to what integration features they offer. 

Egnyte Connect is at the top of this list because you can use it directly from the Slack message bar. It also offers several actions that you can choose, including one that sends you to Egnyte. Plus, you can also easily share files from Egnyte directly to Slack. 

Google Drive is second because it can’t do that, but it offers a file browser you can use to add files to Slack. It also has an extensive app library that you can use to enhance Google Drive. 

Dropbox is next ,and it lets you share, preview and watch files’ activity in Slack. Plus, it lets you share directly to Slack, but it doesn’t have as many integrations as Egnyte or Google.

Box has capable collaboration features that include integrations with Office Online and Google Drive. That said, it can share to Slack from its web client or you can access Box from Slack. Still, Box lacks other advanced options. OneDrive can’t even browse files from Slack or share to Slack, which is why it’s last.

Starts from $ 800 per month
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