Brandwave

OneDrive vs Proton Drive:Which is more popular?

In September 2026, OneDrive had more branded searches than Proton Drive among file sharing services worldwide. OneDrive had about 13.6 million branded searches, while Proton Drive had 246,000. OneDrive made up 19.5% of all file sharing service searches we track, and Proton Drive accounted for 0.35%. When we asked ChatGPT and Google AI Overviews about file sharing services, OneDrive appeared in three of the five answers and Proton Drive in two. OneDrive was mentioned before Proton Drive in every answer that named either.

Among file sharing services worldwide in September 2026

Who do people search for more?

OneDrive, about 55 searches for every 1 for Proton Drive

OneDrive 13.6M searchesProton Drive 246K searches

Who does AI mention more?

OneDrive, mentioned in 3 of 5 answers, Proton Drive in 2

OneDrive in 3 of 5Proton Drive in 2 of 5

Who does AI recommend more?

OneDrive, named ahead of Proton Drive in 3 of 3 answers

OneDrive first in 3Proton Drive never first

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Top file sharing services in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, OneDrive was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Proton Drive was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. OneDrive was listed before Proton Drive in every answer that named either.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Google Drive1st
  2. Dropbox2nd
  3. WeTransfer3rd
  4. OneDrive4th
  5. Smash5th
  6. Filemail6th
  7. Proton Drive7th
  8. MEGA8th
  9. Box9th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • WeTransfer5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Dropbox5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Google Drive4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • OneDrive3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Proton Drive2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Filemail2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Smash2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • MEGA2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Box1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about file sharing services

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is OneDrive or Proton Drive more popular in search?

This chart shows how often people search Google for OneDrive and Proton Drive by name. Each line represents a brand's share of searches for all nine file sharing services we track, month by month, from English-language searches worldwide.

OneDrive and Proton Drive among file sharing services worldwide, by month

Share of searches by month for OneDrive, Proton Drive. The figures are in the table below the chart.

View monthly share of searches table
MonthGoogle DriveOneDriveWeTransferDropboxProton DriveFilemailSmashMEGABox
Oct 202551.2%18.7%22.8%6.9%0.19%0.15%0.06%0.02%<0.01%
Nov 202553%15.8%23.7%7.1%0.19%0.13%0.05%0.01%<0.01%
Dec 202552%15.6%23.3%8.6%0.23%0.15%0.06%0.02%<0.01%
Jan 202655.4%16.5%20.2%7.4%0.25%0.11%0.05%0.01%<0.01%
Feb 202655.4%16.5%20.2%7.4%0.25%0.11%0.05%0.02%<0.01%
Mar 202651.1%18.7%22.8%6.9%0.28%0.1%0.06%0.02%<0.01%
Apr 202655.4%16.5%20.2%7.4%0.25%0.11%0.05%0.03%<0.01%
May 202655.3%16.5%20.2%7.4%0.3%0.11%0.05%0.03%<0.01%
Jun 202650.3%18.4%22.5%8.3%0.27%0.12%0.07%0.04%<0.01%
Jul 202652.9%15.9%23.6%7.1%0.29%0.11%0.06%0.03%<0.01%
Aug 202655.2%16.6%20.2%7.4%0.37%0.11%0.05%0.03%<0.01%
Sep 202653.3%19.5%19.5%7.2%0.35%0.11%0.06%0.03%<0.01%

How has the OneDrive and Proton Drive comparison changed over the last 12 months?

3 findings
  • OneDrive was ahead of Proton Drive in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, OneDrive’s share of searches among file sharing services worldwide moved from 18.7% to 19.5%, and its estimated monthly branded searches held steady at 13.6M.
  • Across the 12 months ending September 2026, Proton Drive’s share of searches among file sharing services worldwide moved from 0.19% to 0.35%, and its estimated monthly branded searches moved from 135K to 246K.

How did search popularity change for file sharing services worldwide in September 2026?

2 changes

  1. In September 2026, OneDrive overtook WeTransfer to rank 2nd among file sharing services worldwide, with 19.5% of the searches.

  2. Estimated monthly branded searches for Proton Drive worldwide rose 82.2% over 12 measured months, from 135K to 246K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using OneDrive’s and Proton Drive’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

OneDrive

1 branded search term

  • onedrive

Proton Drive

1 branded search term

  • proton drive

How the Brand Demand Index is measured

Other head-to-heads among file sharing services

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