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  • Writer's picturePaola Pascual

+100 Business Acronyms That You Will Need At Work



Slack messages and emails are getting shorter and –sometimes– more difficult to decipher. The thing is, we all have busy lives and the pace of work is too fast. That’s why we come up with strategies to streamline our tasks and speed up communication. In an attempt to find short and simple ways of expressing something, acronyms were created. Explore this helpful list with the most common acronyms you will hear at work and download the cheatsheet below.

What’s An Acronym?

An acronym is an abbreviation formed from the initial letters of other words to create a new, shorter word. NASA, for example, is an acronym that stands for National Aeronautics and Space Administration. Some acronyms are used so frequently that they are now used as regular words (e.g. RADAR – Radio Detection and Ranging or PIN – Personal Identification Number).

If you are wondering how to pronounce acronyms, the answer is –it depends. Many acronyms are pronounce as a regular word (e.g. NASA /ˈnasə/, RADAR /ˈreɪdɑr/, PIN /pɪn/), but others are said by spelling out the individual letters (e.g. BBC /bi bi si/).

Informal Acronyms

Informal acronyms or abbreviations are those used to text friends. However, younger generations have started to use them at work. They are indeed getting more and more common in business communication, mainly on Slack, and especially among the younger sectors and when the speakers already know each other fairly well.

BTW, sometimes your HRM tells you it’s NBD and TYT but TBH they just want that file ASAP by EOD and, you know, ATEOTD, they’re the manager.

No, I didn’t just bash my head on the keyboard a few times. To some people, that sentence makes sense. Let’s have a look at the most common informal acronyms and abbreviations.

  1. BTW: By The Way

  2. TBH: To Be Honest

  3. NBD: No Big Deal

  4. Def: Definitely

  5. BC: Because

  6. OMY: On My Way

  7. LMK: Let Me Know

  8. WDTY: What Do You Think?

  9. NP: No Problem

  10. BRB: Be Right Back

  11. FYI: For Your Information

  12. IMO: In My Opinion

  13. ICYMI: In Case You Missed It

  14. AKA: Also Known As

  15. ATM: At The Moment

  16. ASAP: As Soon As Possible

  17. TYT: Take Your Time

  18. GTMTA: Great Minds Think Alike

  19. ATEOTD: At The End Of The Day

  20. AYW: As You Want/Wish

  21. IAC: In Any Case

  22. OT: Off Topic

  23. TL;DR: Too Long, Didn’t Read

Commonly Used Business Acronyms

The acronyms in the previous section are fairly common in instant messaging apps. Although they are gaining popularity in business emails, but they are very informal. In this section, you have a list of acronyms that were born in the office, so to say. They are not that informal and it is OK to use them in your emails, even when you don’t know the other person that well.


  1. EOM: End Of Message

  2. EOW: End Of Week

  3. EOT: End Of Thread

  4. COB: Close Of Business (Also EOD: End Of Day)

  5. OOO: Out Of Office

  6. RSVP: Please Respond

  7. N/A: Not Applicable

  8. TBD: To Be Decided

  9. AWOL: Absent Without Leave

  10. ETA: Estimated Time Of Arrival

  11. PTO: Paid Time Off

  12. PTE: Part-Time Employee

  13. NWR: Not Work Related

  14. Re: Referring to

  15. FTE: Full-Time Employee

  16. PTE: Part-Time Employee

Download this cheatsheet, save it in your Desktop and check it out whenever you don’t know an abbreviation, use it to prep before a meeting with any of your teams or to show off in one of your Slack channels.


Business Acronyms Download pdf list Talaera

Acronyms for People and Departments

It is easy to get lost if you are new in the office and you don’t know how things work yet. Get to know your people and your departments.

  1. CEO: Chief Executive Officer

  2. CFO: Chief Financial Officer

  3. COO: Chief Operating Officer

  4. CTO: Chief Technology Officer

  5. VP: Vice President

  6. HR: Human Resources

  7. HRM: Human Resources Manager

  8. QC: Quality Control

  9. R&D: Research & Development

  10. BD: Business Development

  11. CSR: Corporate Social Responsibility

  12. PR: Public Relations

  13. PA: Personal Assistant

  14. HQ: Headquarters

Financial Acronyms

Acronyms to talk about money and finance.

  1. ACCT: Account

  2. AP: Accounts Payable

  3. AR: Accounts Receivable

  4. BS: Balance Sheet

  5. CPU: Cost Per Unit

  6. CR: Credit

  7. DR: Debit

  8. EPS: Earnings Per Share

  9. FIFO: First In, First Out

  10. ROA: Return On Assets

  11. ROI: Return On Investment

  12. P&L: Profit and Loss

Marketing And Sales Acronyms

Use these acronyms in the world of social media, marketing and sales.

  1. B2B; Business to Business

  2. B2C: Business to Consumer

  3. BR: Bounce Rate

  4. CMS: Content Management System

  5. CTA: Call To Action

  6. CTR: Click Through Rate

  7. CR: Conversion Rate

  8. LTV: Lifetime Value

  9. CRM: Customer Relationship Management

  10. ESM: Email Service Provider

  11. KPI: Key Performance Indicator

  12. PPC: Pay Per Click

  13. PV: Page View

  14. RT: Retweet

  15. SEO: Search Engine Optimization

  16. SM: Social Media

  17. SMB: Small to Medium Business

  18. SWOT: Strengths, Weaknesses, Opportunities, Threats

  19. OC: Opportunity Cost

  20. WOMM: Word Of Mouth Marketing

Technical Abbreviations

No more nodding and pretending you understand. Make sure you know what your IT colleagues are talking about when they mention these.

  1. API: Application Program Interface

  2. CSS: Cascading Style Sheet

  3. FTP: File Transport Protocol

  4. HTTP: HyperText Transfer Protocol

  5. HTTPS: HyperText Transfer Protocol Secure

  6. IM: Instant Messaging

  7. IP: Internet Protocol

  8. ISP: Internet Service Provider

  9. OS: Operating System

  10. LAN: Local Area Network

  11. DNS: Domain Name System

  12. XML: Extensible Markup Language

  13. UI: User Interface

  14. UX: User Interface

  15. IT: Information Technology

  16. ASCII: American Standard Code for Information Interchange

  17. ISO: International Standards Organization

  18. VPN: Virtual Private Network

  19. RSS: Rich Site Summary

  20. AI: Artificial Intelligence

Keep Improving Your Business Communication Skills

Save this list and check it out any time you need it. Would you like to practice these with a native-English teacher? Get in touch with us and we’ll create a business English training program tailored to your needs or explore our free resources.


English Training Solution for Global Teams

For any additional information or questions, reach out at hello@talaera.com. Interested in getting the best offers and receiving free content on Business English communication for you and your teams? Subscribe to our newsletter!

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[Note: This article was originally posted in July 2019 and has been updated to ensure you keep reading relevant content today]

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