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How to disable Gmail offline mode and clear the cache

Want to protect your data? Disabling Gmail offline mode is a start.

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Image: KnowTechie

Gmail offline mode allows you to use the web app in the Chrome browser when you’re not connected to the internet.

When you send an email in offline mode, the message sits in your outbox until you’re back online. The feature is handy when you need Gmail access while traveling.

However, for offline mode to work, Google must store information on your computer as caches. These temporary files can take up a lot of space, especially if your emails contain large attachments.

If you no longer wish to use offline mode, you can switch it off and remove stored information from your computer.

Let’s discuss how to disable Gmail offline and clear the relevant cache.

How to disable (or enable) Gmail offline

If you don’t want Gmail storing things on your PC, here’s how to disable Gmail offline mode:

  1. Open Chrome and go to Gmail

  2. Click the Settings icon and then click See all settingsgmail settings cogwheel more settings button

  3. Click the Offline tabgmail settings offline tab

  4. Untick Enable offline mail to disable and click Save changes. If you want to enable the feature, tick the box insteadgmail offline mode toggle

READ MORE: How to change Gmail’s spam settings and customize the filter

That covers Gmail offline mode. Now, let’s move on to clearing your Gmail cache.

How to clear the Gmail cache in Chrome

When you disable offline mode, cached information may remain on your computer, and you’ll need to remove it manually.

Additionally, if the Gmail web app is having performance issues, deleting the cache could solve the problem.

Here’s how to clear the Gmail cache in Chrome:

  1. Type chrome://settings in your address bar and select the Privacy and security tab
chrome settings privacy and security tab
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  1. Select Cookies and other site data
chrome settings cookies and other site data
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  1. Scroll down and select See all site data and permissions
chrome settings see all site data and permission
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  1. Type google.com in the search bar and click the arrow to expand
chrome settings google cached data
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  1. Scroll until you find mail.google.com and click the trash icon next to it
chrome settings clear gmail cache button
Image: KnowTechie

And there you have it. You’ve now cleared the cache in Gmail. Next, we’ll show you how to do that in Firefox.

How to clear Gmail cache in Firefox

Although Gmail offline doesn’t work in browsers that aren’t Chrome, you may still need to clear your cache during troubleshooting.

Here’s how to clear the Gmail cache in Firefox:

  1. Launch Firefox and click the More (hamburger) menu icon
mozilla hamburger menu button
Image: KnowTechie

2. Select Settings

mozilla settings button
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3. Click Privacy & Security

mozilla privacy and security settings
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4. In the Cookies and Site Data section, click Clear Data

mozilla clear data button
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5. Tick Cached Web Content and click Clear

mozilla clear cached content button
Image: KnowTechie

That’s it. You’ve now cleared Gmail’s cache through Firefox.

Gmail caches don’t often need clearing

If you haven’t used offline mode and the Gmail web app is behaving well, you probably don’t need to clear the cache.

However, cached content can grow quite large over time and take up a lot of space. Removing some temporary files could solve the issue if your hard drive is running low on storage.

Generally, caches are safe to clear. Nevertheless, whenever you delete anything, you should always do it with a purpose. Deleting random files is a great way to break something and ruin your day.

Have any thoughts on this? Let us know down below in the comments or carry the discussion over to our Twitter or Facebook.

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