Digital tools are a necessary part of work life for just about any office gig. But using too many apps, communication platforms, and other tools can be massively frustrating. And according to newly released research, switching back and forth between online systems is also a time thief. 

Localization platform Lokalise recently surveyed 1,000 U.S. white-collar workers from 11 industries to examine how digital tools impact professionals and how they feel about using a variety of online systems. Overwhelmingly, the report found that workers are frustrated by having to use many different platforms. 

Some 17% of workers say they have to switch platforms more than 100 times in a single workday. All the back and forth is time-consuming. On average, workers lose 51 minutes per week to tool fatigue. Yearly, that’s a loss of about 44 hours of work.

The time loss makes sense when you consider just how many platforms the average modern employee has to navigate. The majority of workers (55%) are using three to five platforms each day. Almost a third (31%) say they’re using even more—as many as 6 to 10 platforms daily.

The most time-consuming tools, according to employees, are email (47%); messaging platforms like Slack, Discord, and Teams (35%); video conferencing tools (22%); and calendar and scheduling apps (17%). In terms of apps, specifically, Outlook leads to the most fatigue (35%), with Microsoft Teams trailing closely behind (29%), followed by Gmail (24%) and Zoom (15%).

Of course, workers don’t feel great about all that time lost to digital tools. More than half (56%) say their workday is negatively impacted by an excessive number of platforms. But regardless of how workers feel about having to navigate so many different tools, or how much time it takes to do so, they say their company hasn’t addressed the issue. A whopping 79% say their company hasn’t taken steps to cut down on all the tools or stave off worker fatigue.

While the workday can be made more overwhelming due to digital tools, sadly the fatigue doesn’t end there. Employees say they feel pulled to respond to alerts even when they’re supposed to be off the clock. The majority of workers (60%) say they feel pressure to respond to pings outside of working hours. With that in mind, it’s no wonder professionals are fed up with digital tools that aren’t just complicating their workdays but also their personal lives.