As of March 2024, Apple's devices using client Mail Privacy Protection (MPP), which hides iOS, iPadOS, and macOS devices for privacy purposes, were the most popular on the global market - making up a share of ** percent opens during the year. The Gmail client ranked second, with around ***** percent of e-mail opens in 2024, while Outlook ranked third with approximately **** percent of the total global e-mail opens.

With the internet becoming increasingly accessible, the number of e-mails sent and received globally has increased each year since 2017. In 2022, there were an estimated 333 billion e-mails sent and received daily around the world. This figure is projected to increase to 392.5 billion daily e-mails by 2026.

E-Mail marketing Despite the increasing popularity of messengers, chat apps and social media, e-mail has managed to remain central to digital communication and continues to grow in uptake. By 2025, the number of global e-mail users is expected to reach a total of 4.6 billion - an approximate six hundred thousand increase in users, up from 4 billion in 2020. Not only that, when it comes to online advertising e-mail has seen higher click-through-rates than on social media. In Belgium and Germany, these were 5.5 and 4.3 percent respectively - compared to the 1.3 percent global average CTR for social media during the same time period.

Gmail Launched in April 2004, Google’s Gmail has earned its spot as one of the most popular freemail services in the world. According to a 2019 survey, its popularity worldwide was trumped only by Apple’s native iPhone Mail app with 26 percent of all e-mail opens worldwide taking place on the platform. Millennials surveyed in the United Kingdom listed Gmail among their top 5 most important mobile apps, while a similar survey carried out in Sweden saw Gmail tie with WhatsApp for a spot among the top mobile apps nationwide.

The global email application market is projected to grow at a CAGR of 11%, from USD 1.6 billion in 2025 to USD 4.7 billion in 2035.

Metrics	Values
Industry Size (2025E)	USD 1.6 billion
Industry Value (2035F)	USD 4.7 billion
CAGR (2025 to 2035)	11%

Contracts and Deals Analysis

Company	Microsoft
Contract/Development Details	Microsoft secured a contract to provide its Outlook email application to a global financial services firm, aiming to enhance secure communication and collaboration across the organization's international branches.
Date	March 2024
Contract Value (USD Million)	Approximately USD 50 million
Estimated Renewal Period	3 years

Company	Google
Contract/Development Details	Google expanded its partnership with a multinational technology company to integrate Gmail with the company's internal systems, facilitating seamless communication and data sharing among employees worldwide.
Date	July 2024
Contract Value (USD Million)	Approximately USD 75 million
Estimated Renewal Period	5 years

Company	IBM
Contract/Development Details	IBM entered into an agreement with a leading healthcare provider to implement its email platform, focusing on improving patient data security and compliance with healthcare regulations.
Date	October 2024
Contract Value (USD Million)	Approximately USD 40 million
Estimated Renewal Period	4 years

Country-wise Analysis

Countries/Regions	CAGR (2025 to 2035)
USA	9.5%
UK	9.1%
European Union	9.3%
Japan	9.2%
South Korea	9.6%

Competitive Outlook

Company Name	Estimated Market Share (%)
Microsoft Outlook	25-30%
Gmail (Google)	20-25%
Apple Mail	12-17%
Yahoo Mail	8-12%
Zoho Mail	5-9%
Other Companies (combined)	20-30%

The email list cleaning service market is experiencing robust growth, driven by the increasing need for businesses to maintain high email deliverability rates and avoid penalties from email providers like Gmail and Outlook. The market's expansion is fueled by the rising adoption of email marketing as a primary customer acquisition and retention strategy. Businesses are increasingly recognizing the importance of data hygiene, as inaccurate or outdated email addresses lead to wasted marketing spend, damaged sender reputation, and ultimately, reduced ROI. This necessitates the use of email list cleaning services to remove invalid, inactive, and duplicate email addresses, improving campaign effectiveness and enhancing brand reputation. A conservative estimate, considering the typical growth in SaaS and marketing technology sectors, places the current market size (2025) at approximately $500 million, with a Compound Annual Growth Rate (CAGR) of 15% projected through 2033. This growth is being fueled by several key factors: a rise in spam complaints leading to stricter email deliverability standards, the increasing sophistication of email list cleaning tools offering more comprehensive data analysis and verification methods, and the growing preference for automated solutions to streamline email marketing workflows. Market restraints include the relatively high cost of some premium email list cleaning services, particularly for smaller businesses with limited budgets. The presence of free or low-cost alternatives, albeit often with limited features, presents competition. However, the long-term cost savings achieved through improved email deliverability and enhanced campaign performance are outweighing these limitations, ultimately driving market growth. Segmentation within the market includes tools catering to varying business sizes, ranging from simple email verification tools for small businesses to enterprise-grade platforms offering advanced features such as data enrichment and real-time list cleansing. Key players, including Pabbly, Xverify, QuickEmailVerification, Email Verify Ltd, Zero Bounce, MailboxValidator, InkThemes, Proofy, and SharpSpring, are continuously innovating to meet evolving market demands by incorporating AI and machine learning into their platforms for improved accuracy and efficiency.

In 2023, Gmail was the e-mail service most frequently abused in social engineering attacks worldwide, with 22 percent of such attacks using it. Outlook, Hotmail, and other services ranked far behind.

In June 2025, Google search engine had a market share of ***** percent in the Netherlands across all devices. Bing ranked second, holding a market share of **** percent. Meanwhile, Yandex and DuckDuckGo held smaller market shares of **** percent and *** percent each. Additionally, Google’s high popularity is probably one of the reasons why many Dutch B2B marketers tend to use Google AdWords for their digital advertising. Google products have the highest reach in the Netherlands According to a ranking of 15 online brands with the highest monthly reach in the Netherlands, Google products could be found as five different entries: the Google brand itself, excluding YouTube (in first place), Google Search (third), Google Maps (sixth), Gmail (eighth) and Google Play (14th). Roughly ** percent of Dutch individuals visited the Google Search at least once a month at the end of 2018. Gmail more popular than other e-mail providers Both Gmail and Hotmail (Outlook.com) ranked among the most popular e-mail providers in the Netherlands in 2018. Google’s free email service saw an increase in its use, whilst domestic e-mail providers from companies as KPN or Ziggo saw a decrease.

Google Workspace Productivity Tools Market Outlook

In 2023, the global market size for Google Workspace productivity tools was valued at approximately $8.6 billion, and it is projected to reach $24.5 billion by 2032, growing at a CAGR of 12.5%. The significant growth factor driving this market includes the increasing adoption of cloud-based solutions, the rise in remote working environments, and the need for streamlined collaboration tools.

The growth of the Google Workspace productivity tools market is primarily fueled by the extensive reliance on digital transformation across various sectors. Businesses are increasingly adopting cloud-based productivity tools to streamline operations, enhance team collaboration, and improve overall efficiency. The pandemic has accelerated the adoption of remote working, leading organizations to invest heavily in reliable, scalable, and secure productivity tools like Google Workspace. Furthermore, the suite’s user-friendly interface and seamless integration with other Google services provide a comprehensive work environment, further driving its adoption.

Another significant growth factor is the increasing demand for real-time collaboration tools. As organizations grow more dispersed with global teams, the need for tools that enable real-time communication and collaboration has never been higher. Google Workspace productivity tools, such as Google Docs, Sheets, and Slides, allow multiple users to work on the same document simultaneously, ensuring that all team members are on the same page, regardless of their location. This capability is particularly crucial for businesses aiming to maintain productivity and efficiency in a hybrid work model.

Moreover, the educational sector's shift towards digital learning environments has contributed to the market's growth. Institutions are leveraging Google Workspace tools to facilitate virtual classrooms, enabling teachers and students to interact, share resources, and collaborate effectively. The increased investment in EdTech solutions and the demand for remote learning tools will continue to drive the adoption of Google Workspace in the education sector. Additionally, continuous updates and enhancements to Google Workspace tools ensure that users have access to the latest features and functionalities, keeping the suite relevant and competitive in a rapidly evolving market.

Regionally, North America holds the largest share of the Google Workspace productivity tools market, followed by Europe and Asia Pacific. The region's high adoption rate of advanced technologies, coupled with a substantial presence of tech-savvy enterprises, propels the market growth in North America. Europe’s market is driven by the increasing trend of remote working and stringent data protection regulations that encourage the adoption of secure and efficient productivity tools. In the Asia Pacific region, the growing number of SMEs and startups, along with government initiatives to promote digital transformation, are significant drivers of market growth.

Product Type Analysis

The Google Workspace productivity tools are categorized into various product types, including Gmail, Google Drive, Google Docs, Google Sheets, Google Slides, Google Meet, Google Calendar, and others. Gmail remains a staple in email communication, widely adopted for both personal and professional use. Its integration with other Google Workspace tools and features like smart reply, email scheduling, and advanced spam filtering make it an indispensable tool for businesses. The increasing need for reliable and secure email communication is a significant driver of Gmail's market growth.

Google Drive, the cloud storage solution, is another essential component of the Google Workspace suite. Its ability to store, share, and collaborate on files in real-time makes it attractive to businesses of all sizes. With data accessibility becoming crucial in the digital age, Google Drive provides a secure and convenient way to manage and store data. The integration of AI-powered search capabilities and enhanced security features further solidify its position as a preferred cloud storage solution.

Google Docs, Sheets, and Slides are pivotal for creating and editing documents, spreadsheets, and presentations, respectively. These tools offer real-time collaboration features, allowing multiple users to work on the same documents simultaneously. The seamless integration with other Google Workspace tools, such as Google Drive for storage and Google Meet for live collaboration, enhances their utility and ado

In the third quarter of 2024, the Microsoft Teams mobile app registered around 10 million downloads in North and Latin America. The region of Europe, the Middle East, and Africa saw approximately 8.6 million downloads in the examined period. Between the first quarter of 2020 and the end of 2023, the region accounted for the highest number of downloads of the Microsoft Team app, reaching a peak of roughly 27.4 million downloads in the second quarter of 2020. Videoconferencing platforms are here to stay According to a survey conducted in 2023, professionals in the United States reported dedicating most of their office time to meetings, by spending over 10 hours per week on them. The global outbreak of the coronavirus pandemic affected offline work interactions and forced companies to adopt communication solutions. It made videoconferencing platforms, including market leaders of 2024, Microsoft Teams, and Zoom, grow significantly due to a boost in their usage. Between the fourth quarter of 2019 and the first quarter of 2020, downloads of the Microsoft Teams mobile app in Europe, the Middle East, and Africa increased by more than 750 percent. While in 2020 downloads of both Microsoft Teams and Zoom increased worldwide, the Zoom mobile app recorded higher numbers of downloads, reaching 129 million in the Asia-Pacific region in the second quarter of 2020. At the end of 2019, Zoom meetings’ had round 10 million participants daily, but in April 2020, this number had skyrocketed to reach to 300 million. Similarly, Microsoft Teams had 20 million daily active users (DAUs) in 2019, which experienced a growth of around four times in the following year, reaching 75 million DAUs. In 2023, Microsoft Teams counted over 320 million active users engaging with the platform daily. Who is writing e-mails? Humans or Bots As of the first quarter of 2024, over 75 percent of internet users worldwide reported to use e-mail services on a monthly basis. Users based in the United States reported sending the highest number of e-mails per day, with around 10 billion e-mails in April 2024. Germany and Ireland followed with 8.5 and 8.4 billion e-mails sent each day. It is estimated that the number of e-mails sent daily worldwide will grow to around 410 billion by 2027. In terms of most used e-mail service, Apple MPP stood first with 55 percent of e-mail opens as of March 2024, while Gmail and Outlook followed with 30.57 and 4.06 percent of e-mails opened by the users. Beyond traditional e-mail services, the increased access to artificial intelligence (AI) will facilitate e-mail writing, as 15 percent of users in the U.S. reported to use AI tools to write e-mails, while 25 percent plan to do so in the future as of March 2024.