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How to Organise Emails in Outlook Using Folders and Categories

Quick Answer

Organising emails in Microsoft Outlook using folders and categories helps you keep your inbox neat and makes it easier to find important messages quickly. Folders let you group emails by topic or sender, while categories add colour-coded labels for quick visual identification. Together, they save time and reduce email stress.

If you’re new to Outlook or juggling lots of messages at work, learning these basics will help you handle your inbox like a pro. In South African offices, strong Outlook skills make managing communication smoother and improve your productivity.

What Are Folders and Categories in Outlook?

Folders in Outlook act like digital filing cabinets. You can create folders for different clients, projects, or topics and move emails into them so everything is organised by theme. Categories are tags you add to emails, appointments, or contacts using colour and text labels. Emails stay in their place but get a coloured marker that helps you see their status or importance at a glance.

Using folders and categories together is powerful. For example, put all invoice emails in an “Invoices” folder and mark certain emails as “Urgent” with a red category. This visual reminder helps you quickly spot priority emails without searching.

How to Set Up Folders in Outlook

To create a new folder, right-click your Inbox or any folder and choose New Folder. Give it a clear name like “Clients”, “Suppliers”, or “Project X”. You can build folders inside other folders to keep your structure tidy, like a main folder for projects that contains a folder for each individual project.

You can manually drag emails into folders or set up rules to do this automatically. For example, create a rule to send all emails from a certain sender straight to a specific folder. This cuts down on manual sorting and keeps your inbox cleaner.

Using Categories to Label Emails

Categories in Outlook add colour-coded labels to emails and other items. Click Categorize on the toolbar, then pick All Categories to create or rename tags. You could have categories like “Follow-up”, “Invoice”, or “Read Later”.

You can assign multiple categories to one email, making it easy to mark emails with different labels without moving them out of their current folder. This is handy when you want to track status, urgency, and type at the same time.

Tips for Keeping Your Inbox Organised

Start by deleting or archiving old emails to reduce clutter. Next, decide on a simple folder structure based on your work and communication flow. Avoid creating too many folders, as this can get confusing.

Set up categories with clear colours and labels you’ll remember. Use rules to automatically sort newsletters or alerts into separate folders so your main inbox only shows what’s important.

Regularly review emails flagged with categories like “Read Later” or “Follow-up” to stay on top of your workload.

Here’s a quick daily routine example:

  • Move client emails to a “Clients” folder as they come in.
  • Flag urgent emails with a red category to respond quickly.
  • Set rules to send newsletters to a “Newsletters” folder.
  • At day’s end, check the “Read Later” category and plan responses.

Common Email Organising Mistakes to Avoid

  • Creating too many folders which makes your inbox cluttered and hard to manage.
  • Not using categories regularly, which reduces their usefulness as visual reminders.
  • Ignoring rules, leaving your inbox cluttered with unwanted messages.
  • Failing to archive or delete old emails, causing your mailbox to get overloaded and slow.

By avoiding these, you’ll keep your Outlook cleaner and more efficient.

Boost Your Outlook Skills with a Free Certificate Course

If you want step-by-step guidance on organising emails and more, consider signing up for a free Microsoft Outlook certificate course in South Africa. The course covers email management, calendar, contacts, and collaboration tools, all useful for office work. You’ll gain skills that help with daily tasks and improve your office productivity.

Start organising your emails better today: free Microsoft Outlook certificate course in South Africa.

How do I create a folder in Microsoft Outlook?
Right-click your Inbox or any existing folder, select “New Folder”, type a clear name, and press Enter. The folder will appear in your list for easy sorting.
Can I assign multiple categories to a single email?
Yes. Outlook lets you add multiple colour-coded categories to one email, which is useful for marking different tags like “Urgent” and “Follow-up” at the same time.
What’s the best way to use folders and categories together?
Use folders to keep emails grouped by topic or sender and categories to mark emails by priority, status, or type. This combination makes finding and prioritising emails quicker.
Are folders and categories covered in beginner Outlook courses?
Yes. Beginner Outlook courses teach you how to organise emails using folders and categories, helping you manage your inbox from the start.

Naledi Mokoena
Naledi Mokoena

Naledi Mokoena is a workplace training specialist and educational content writer at EduCourse, where she develops practical learning resources focused on office administration, workplace communication, digital skills, productivity, and professional development.

With a strong focus on modern workplace expectations in South Africa, her work helps learners strengthen essential office skills, improve professional confidence, and build knowledge that supports long-term career growth. Her content combines practical workplace insight with accessible online learning designed for both new and experienced professionals.

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