The new functionalities included in OneDrive, SharePoint and Teams, allow the users to have a quick and easy access to those files across devices regardless of the file type. So the user can have previews and thumbnail images for Adobe formats, like Photoshop and Illustrator, 3D files or DICOM medical images without actually installing the native application.
The following extensions are included:
3-D Modeling/Printing: 3MF, COOL, GLB, GLTF, OBJ, STL
Apple: MOVIE, PAGES, PICT, SKETCH
Adobe: AI, PDF, PSB, PSD
Audio/Video Media Files: 3G2, 3GP, ASF, BMP, M2TS, M4V, MOV, MP3, MP4, MP4V, MTS, TS, WMV
AutoCAD: DWG
AutoDesk: FBX
BioWare Game Engine: ERF
Compressed File: ZIP
Compressed File (Unix): Z
DICOM Medical Images: DCM, DCM30, DICM, DICOM
Finale: PLY
HydroCAD: HCP
Image Formats: GIF, JPEG, JPG. JPE, MEF, MRW, NEF, NRW, ORF, PANO, PEF, PNG, SPM, TIF, TIFF, XBM, XCF
License Key: KEY
Log Files: LOG
Microsoft Office (Word, PowerPoint, Excel): CSV, DIC, DOC, DOCM, DOCX, DOTM, DOTX, POT, POTM, POTX, PPS, PPSM, PPSX, PPT, PPTM, PPTX, XD, XLS, XLSB, XLSX, SLTX
Microsoft Outlook: EML, MSG
Microsoft Visio: VSD, VSDX
Microsoft Windows: CUR, ICO, ICON
Open eBook: EPUB
OpenOffice: ODP, ODS, ODT,
Photo: ARW, CR2, CRW, DNG
Rich Text Format: RTF
Text and Code: ABAP, ADA, ADP, AHK, AS, AS3, ASC, ASCX, ASM, ASP, AWK, BAS, BASH, BASH_LOGIN, BASH_LOGOUT, BASH_PROFILE, BASHRC, BAT, BIB, BSH, BUILD, BUILDER, C, C++, CAPFILE, CBK, CC, CFC, CFM, CFML, CL, CLJ, CMAKE, CMD, COFFEE, CPP, CPT, CPY, CS, CSHTML, CSON, CSPROJ, CSS, CTP, CXX, D, DDL, DI. DIF, DIFF, DISCO, DML, DTD, DTML, EL, EMAKE, ERB, ERL, F90, F95, FS, FSI, FSSCRIPT, FSX, GEMFILE, GEMSPEC, GITCONFIG, GO, GROOVY, GVY, H, H++, HAML, HANDLEBARS, HBS, HRL, HS, HTC, HTML, HXX, IDL, IIM, INC, INF, INI, INL, IPP, IRBRC, JADE, JAV, JAVA, JS, JSON, JSP, JSX, L, LESS, LHS, LISP, LOG, LST, LTX, LUA, M, MAKE, MARKDN, MARKDOWN, MD, MDOWN, MKDN, ML, MLI, MLL, MLY, MM, MUD, NFO, OPML, OSASCRIPT, OUT, P, PAS, PATCH, PHP, PHP2, PHP3, PHP4, PHP5, PL, PLIST, PM, POD, PP, PROFILE, PROPERTIES, PS, PS1, PT, PY, PYW, R, RAKE, RB, RBX, RC, RE, README, REG, REST, RESW, RESX, RHTML, RJS, RPROFILE, RPY, RSS, RST, RXML, S, SASS, SCALA, SCM, SCONSCRIPT, SCONSTRUCT, SCRIPT, SCSS, SGML, SH, SHTML, SML, SQL, STY, TCL, TEX, TEXT, TEXTILE, TLD, TLI, TMPL, TPL, TXT, VB, VI, VIM, WSDL, XAML, XHTML, XOML, XML, XSD, XSL, XSLT, YAML, YAWS, YML, ZSH
Web/Hypertext: HTM, HTML, Markdown, MD, URL
You can find more info in the following link
Albandrod's Memory 